We Bought Two Diesel Engines from the Military Surplus Auction and Put It on a Go Kart!

Added: 2026-05-28

[00:00:02]Boys, we did it.

[00:00:13]Today's video is sponsored by Monarch.

[00:00:15]We just bought two massive single cylinder diesel engines from the military surplus auction, and today they're going on a go-kart. These were only $240, and I know for a fact that one of them is blown up. Wait. So, we're $240 in and we know for a fact that one of them is a boat anchor. Well, the other one looks absolutely terrible, man. It's covered in dirt and grime.

[00:00:37]It's probably been shipped all over the world. And I'm sure it was replaced for a reason. Yeah. But if just one of these cranks up and runs, that's 10 horsepower, 20 foot-lbs of torque. And if we put it on a go-kart or minibike, it's going to make it scoot.

[00:00:52]>> Let's grab some tools, man.

[00:00:53]>> All right. 12th month, 2011. Wait, so this engine's only 15 years old?

[00:00:58]>> This engine's only like 15 years old.

[00:01:00]>> Yeah, that's a rough 15 years.

[00:01:02]>> That's the same.

[00:01:03]>> Are the serial numbers sequential?

[00:01:06]>> Oh, dude. Let's see.

[00:01:09]>> We could have some collectors.

[00:01:11]>> Serial number 1241311.

[00:01:16]>> Same.

[00:01:17]>> Uh, and then after that, O3232 3137.

[00:01:24]>> They're close. These engines were only they were probably built in the same day, the same week.

[00:01:28]>> They're German.

[00:01:31]>> Hots.

[00:01:33]H A TZ. I don't I'm probably pronouncing it wrong, but made in Germany.

[00:01:40]>> Wa.

[00:01:41]>> 8.6 kW. So that's like 10 horsepower.

[00:01:44]>> Yeah.

[00:01:45]>> Of course, this one is zero cuz this is the stuck one, right?

[00:01:48]>> This one is uh stuck.

[00:01:50]>> How do you figure? Well, uh, when you grab hold of the crankshaft and it won't turn. She kind of stuck >> this.

[00:01:58]>> You can drive. You can drive that if you want. She ain't moving.

[00:02:01]>> How did you turn the other one?

[00:02:03]>> I grabbed hold of the crankshaft and I turned.

[00:02:06]>> Oh.

[00:02:10]>> Oh. So, this is our good engine.

[00:02:12]>> I hope so.

[00:02:13]>> And this is our >> That was stuck.

[00:02:15]>> Less than good engine.

[00:02:16]>> Yeah. You know, this whole like situation reminds me of a famous movie quote, and I live by this. Life is like a box of military surplus engines. You never know what you're going to get.

[00:02:31]>> Wasn't that Forest Gump.

[00:02:33]>> Life is like a box of chocolates.

[00:02:34]>> I can't remember. Yeah, >> maybe I'm hearing it wrong.

[00:02:37]>> I've seen a lot of movies.

[00:02:38]>> Let's check the oil on the stock engine.

[00:02:42]There's no oil in the blowup engine.

[00:02:45]probably why it's stuck.

[00:02:48]>> Put oil in it and >> I mean defect.

[00:02:50]>> We could like try to unstick it, but I think maybe we ought to just try with the unstuck engine.

[00:02:57]>> Yeah.

[00:02:57]>> You know, I >> think this was run with an air filter last time.

[00:03:01]>> I'm sure it was.

[00:03:03]>> Yeah. Here's the throttle.

[00:03:08]>> Wow.

[00:03:09]>> Right there.

[00:03:09]>> That's cool.

[00:03:10]>> Yep. Here's the fuel inlet right here.

[00:03:14]And this should be the return.

[00:03:17]Uh the pictures, the research that I was doing shows a fuel tank right here. So this would have probably probably gone into a grommet in the top of the fuel tank possibly. That's the starter.

[00:03:32]>> Oh, should be Yeah, >> it does have electric start. I saw the pull cover. I'm like, I don't want to pull this thing.

[00:03:37]>> I don't want to pull it either. How much How big is this? A 500 and something cuge engine. It's a pretty big uh diesel engine. I was uh reading the uh power to weight ratio. These are like really sweet. They're lightweight for the power that they put out, >> which is great, especially if we're going to put it on a go-kart or mini bike.

[00:03:56]>> Well, brother, it's a good thing you got two engines, I got to say, cuz um you know, if this starter's no good, we can use the starter on this one.

[00:04:02]>> Wait a minute.

[00:04:03]>> Oh, both starters are missing on it.

[00:04:07]>> The pool cover.

[00:04:08]>> Oh, yeah. and the uh electric starter.

[00:04:11]So, I'm fingers crossed that starter is going to work because if it doesn't, we in trouble, boys.

[00:04:16]>> Let's get some power to it and see what happens.

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[00:05:57]>> I think it's over full.

[00:06:00]>> Oh man. Oh no, it's not.

[00:06:02]>> There's Max. There's the >> do hot. What are you doing?

[00:06:07]>> I'm pretty sure that this is like a oil.

[00:06:11]Uh it's a nipple for the oil. It's a pressure. There's supposed to be a pressure sensor here and they put this uh nipple on there. I imagine they had a a line going to a gauge for oil pressure.

[00:06:26]>> So, we need to plug that or else it's going to be shooting.

[00:06:29]>> Yeah. Uh did you uh find that uh like the oil pressure sender that came off that engine?

[00:06:38]Maybe it'll fit in this hole.

[00:06:39]>> Yeah. What are the odds that German standard thread is going to be the same as Chinese standard thread?

[00:06:47]So, um, is it just me? Is it cold in here or is the output shaft kind of stubby on this engine?

[00:06:53]>> Um, it's a little stubby. It hasn't been cut because if you look at the other one, that one's the exact same, too.

[00:06:59]>> How are we going to I mean, okay, say like a miracle happens and we get this greasy thing running. How are we going to get power from this to the the wheel of whatever we're going to put in? going be a problem. A torque converter or a CVT or torque converter or clutch. It'll it'll go on there.

[00:07:17]>> Yeah, you're just assuming that's a standard size, too.

[00:07:19]>> Oh, crap. I didn't think about that.

[00:07:22]Looks like a 1 in 988.

[00:07:27]All right. Sweet. So, a 40 series in a soda can. Uh, it'll probably fit on there.

[00:07:36]Try this one over here.

[00:07:41]All right, >> it's good.

[00:07:44]>> Don't worry.

[00:07:45]>> Looks a little floppy in there. Oh, good.

[00:07:48]>> Cross that bridge when we get to it.

[00:07:50]>> So, Scott's taking off the airbox because we have no way of cutting this diesel off.

[00:08:00]So, a thing that would What's that?

[00:08:04]>> Oh, that's for warming the air. It's an It's a coil that you power up. It's for like winter.

[00:08:10]>> Mhm. So, the air when it passes by the coil will get warm and it'll help it start up during the winter.

[00:08:17]So, we have no way of cutting this off if it's a runaway diesel. So, a thing that I learned is you if you take a board and block off the hole, if it's a runaway diesel, it cuts off the air, cuts off the diesel. The bad thing is that it usually sucks in your head gasket, but it keeps it from blowing up the diesel. So, we're borrowing the fuel system from this one.

[00:08:46]That's the fuel pump pumping.

[00:08:48]>> Oh, stop. We got a leak. Okay. Uh, it's have this connector here. Oh, so we got a bad O-ring or something. So, good news is, uh, we have fuel at this point. So, we're going to have to take this off and see about replacing a O-ring. Need an Allen wrench.

[00:09:05]>> Oh, look at that. Yep.

[00:09:06]>> Yeah.

[00:09:07]>> Wonder how many thousands of dollars that cost in 2011. That thing was probably five grand or more. I don't think they ever replace $5,000 engine cuz of >> Well, fuel O-ring.

[00:09:17]>> You know, usually like they had like the military trucks when I buy them.

[00:09:22]>> Yep.

[00:09:23]>> They have the original price on the uh >> on the truck on a on a form.

[00:09:28]>> Yeah. So, like I've got a Humvey that cost me $89,000. I've got one that was over $100,000.

[00:09:36]>> That's the original price.

[00:09:37]>> Uhhuh.

[00:09:38]>> So, that's like back in the '90s.

[00:09:39]>> Back in the '90s.

[00:09:40]>> So, that's like a4 million dollar truck.

[00:09:41]>> Uh-huh.

[00:09:42]>> That's crazy. How much do you buy them for? Three grand.

[00:09:46]>> I'm not saying.

[00:09:47]>> Okay. So, like you >> if I'm lucky I can get them for three grand.

[00:09:51]>> So, that's like 98% depreciation.

[00:09:54]>> Yeah. That's like buying a new truck if it costs 50 grand for like 500 bucks.

[00:10:02]And it's an O-ring. Someone say O-ring.

[00:10:05]>> O-ring. Nice. What you got? Sweet.

[00:10:08]>> Okay. The new Hops 1B50 diesel engines typically range between 4 and $6,500.

[00:10:15]>> I love a deal.

[00:10:16]>> So, I mean, if you got two for 240 bucks, >> Yeah.

[00:10:19]>> that's like that's like over 99% depreciation.

[00:10:23]>> Uh-huh.

[00:10:26]Hey man, I'm paying for him originally, so I like to get my money's worth.

[00:10:32]>> Right. And I hope you got a new boat.

[00:10:33]You did just buy a new boat.

[00:10:35]>> Yeah, I did.

[00:10:35]>> Did it come with an anchor?

[00:10:36]>> Yes, it did.

[00:10:37]>> Oh, darn. Well, now you got a spare.

[00:10:40]>> Uh, well, we hadn't tried that one yet.

[00:10:43]>> I know. If we can get this running, I'll be over the moon.

[00:10:47]>> So, I've always heard that military equipment is emissions exempt. Have you heard that? Um, so my Humvees are emissions exam, >> right? I would think the same for this, but it says right here it's got emissions control system information.

[00:11:02]It's for constant speed only.

[00:11:06]Well, we're going to change that. The other cool thing >> Yeah.

[00:11:10]>> You know, you you know Molly pistons.

[00:11:12]>> Yeah.

[00:11:12]>> This is a Molly starter made in Slovenia.

[00:11:17]>> Isn't that a drug?

[00:11:20]Oh, >> you're a funny guy.

[00:11:26]You're a funny guy.

[00:11:26]>> I mean, I wouldn't know.

[00:11:27]>> Horsepower is a drug, sir.

[00:11:29]>> So, this engine is equipped with a glow plug. So, let's try powering up the glow plug uh before we start it. Oh, turn on the key again. See if we got a leak.

[00:11:44]Looks good to me, sir. Okay. So, I'm going to take my jumper, my starter button.

[00:11:53]I got one side on power.

[00:11:56]Pull the trigger and I'm going to tap the glow plug.

[00:12:04]I don't think the glow plug's any good cuz it's not sparking. That's a little trick I learned to tap the glow plug. And if you got spark, you've got a good glow plug. This one's got a bad glow plug.

[00:12:19]>> They always check this one.

[00:12:21]>> We could, but if we have a good running engine, they'll crank up without glow plugs. Let's give it a shot. Are y'all ready?

[00:12:29]>> Got plenty of fuel. Yep.

[00:12:31]>> All right, cranking. All right, y'all.

[00:12:33]Just be ready. I want someone to block this if uh I mean, I'll just give it a try. Here we go.

[00:12:52]Heat. Heat.

[00:13:19]That's amazing. That's great.

[00:13:28]>> That is amazing.

[00:13:30]>> Yeah, that's a big engine. You can see how much just force it has.

[00:13:34]>> Yeah, >> it burnt like it is. That's the cleanest diesel exhaust I've ever seen of ours.

[00:13:41]>> It didn't smoke at all.

[00:13:43]>> All the stuff we get, you know, like on Teeu and stuff, that stuff it black smoke.

[00:13:49]>> Oh, we're going to have to fix that.

[00:13:51]>> So, I put oil in it and I kept checking because I don't know how much to throw in. And I wasn't making a dent, but I found out that it must have a hole or a leaky drain plug cuz the drain plug's in. But if you watch it long enough, you'll see a drip coming out.

[00:14:08]>> Maybe they just forgot to tighten the drain plug, man.

[00:14:11]>> Yeah, >> there's probably more than one drain plug on those engines.

[00:14:14]>> Oh, really?

[00:14:15]>> Probably.

[00:14:15]>> All right. Well, so let's got to get it off the wood and get it suspended in the air and take a look underneath.

[00:14:20]>> Yeah.

[00:14:21]>> Sure is making a mess.

[00:14:23]>> Yeah.

[00:14:25]And oh, it's missing. One of >> one of two plugs missing. Or one of three.

[00:14:33]>> Best case scenario.

[00:14:34]>> While the cat is away, the mice will play. Is that the saying?

[00:14:38]>> That's my saying.

[00:14:39]>> Uh Ike is out buying part of a new project. Can't wait to show you guys.

[00:14:46]He is not here to tell us not to use JB Weld on this oil pan.

[00:14:50]>> Good thing we're not using JB Weld.

[00:14:52]>> Oh, yeah. This is steel stick by JB Weld. Um, so we don't have a drain plug. Uh, this thing has like what? Four drain plugs.

[00:15:04]One, two, three, four. It was missing one of them. We don't have the this the thread that needs to go in. So, we're going to JB weld this nut right there.

[00:15:17]>> And that bolt that's inside of it is our new plug.

[00:15:19]>> So, we can still unscrew it.

[00:15:21]>> Yep. Oh, and I we picked this location like we took the plug out somewhere else or whatever. But anyway, we chose this.

[00:15:31]It's a thin uh oil pan. So, we figured that's this is like the cheapest part to replace if we needed to get a new pan put on or we could probably um just cut something out and then just make a whole new pan for it. So, I you know, it's it's the cheapest, easiest thing to replace. I don't feel so bad about this. Yeah, it'll be fine. I mean, remember, this engine is still stuck, so we don't need to invest too much time and and money uh in trying to fix this oil pan if it's going to be ruined, you know?

[00:16:06]>> Oh, yeah. You know, I just forgot about the whole aspect. Like, this all could be for nothing.

[00:16:10]>> Yeah, for sure. So, we're in the it'll be fine to send it kind of >> We're experimenting. We're going to see.

[00:16:16]But I've done I've done like JB Weld for like a um an engine block that I well I didn't do it but it was a hole punched into an engine block. It was actually on a Yamaha R six. The tool kit fell out from the back seat area. Got caught up in the chain. Just like ripped a quarter size hole in the engine block. Yeah. And then um my buddy called for a welder to sort of like weld it back up. He's trying to patch it over trying to get this bike, you know, back on the road. He he welded it. It's all aluminum, right? And then uh it still had like pinhole leaks in it, so it was still like losing oil.

[00:16:56]And so I came to the rescue. I put JB Weld on it. It didn't hold the first time and it came back through. It was the oil. So you have to really clean all the oil off of it, but then I just stuck a quarter on it and JB welded the quarter over the leaky spot and it held up perfect. So this uses a different standard of key size for this engine. I mean, that's quarter in. That's what we've used in go-karts for the last 12 years. And this is what came out of it.

[00:17:27]Hard to tell the difference, but it's certainly much larger. So, for the purposes of getting this engine unstuck, we got a quarter inch jammed in there.

[00:17:34]We're just going to rock it. See if we can get it freed up. We get a a spare piece of angle iron or flat bar or something. Drill two two holes in it.

[00:17:43]Get some leverage going.

[00:17:47]But we're going to have to mount this somewhere to make the engine not flip around.

[00:17:53]>> So, we let oil sit in this crank case over the weekend. I also put bunch of PB Blaster in here, so it should have lubricated the top end. And it was free last Friday and it still seems to be free.

[00:18:09]>> That just seems like normal compression, right?

[00:18:12]>> I don't know, man. It seems awfully chunky.

[00:18:17]Like it. Yeah, that could just be diesel.

[00:18:19]>> Yeah, you're going to like spin that over and then like that.

[00:18:23]>> Well, oil's going to combust and it's just going to start up on you.

[00:18:26]>> Oh, yeah. That's true. So, I already installed the starter from the other engine.

[00:18:32]So, let's just put some power to it and some fuel to it and see what happens.

[00:18:38]>> Okay.

[00:18:39]>> I think it might run. I don't think it's going to last long, though.

[00:18:42]>> Run it until she don't. Exactly. So, if this works and the engine sounds good, that means we got two big old diesel engines for like $240. That's our throttle. I'll turn the fuel pump on.

[00:18:55]And we'll just let it crank over. There it goes. We'll let it crank over fuel a few times, too.

[00:19:03]It's filling up. And where's it leaking from? The joint. Great.

[00:19:09]>> All right. Give it a test hit there.

[00:19:10]>> All right. Let's see if it'll turn over.

[00:19:12]Ready?

[00:19:12]>> Yep.

[00:19:15]Okay, sweet. Let me turn the fuel back on.

[00:19:18]>> You ready?

[00:19:19]>> Yep. Just got a little driven, but we're fine.

[00:19:21]>> All right.

[00:19:33]It's like it's trying to All right.

[00:19:36]Going again.

[00:19:44]No.

[00:19:45]>> Um, all right. We need to probably actually do something about this leak cuz it's a huge mess.

[00:19:51]Um, I mean, there's a chance it hasn't made it all the way up to the injector yet, but it probably has. I don't know.

[00:19:59]Let's just fix that leak and keep trying. Okay.

[00:20:13]No go.

[00:20:14]>> So, this engine didn't hit or anything.

[00:20:16]And so, we're going to check our fuel return. I mean, that tells us that we got plenty of fuel flow. Um, cuz it's coming up through the tank and then coming out the return.

[00:20:30]We also happen to notice this little pin here. here. It's almost like a petcock and it's wire tied shut or it's wire tied one way. Now on our other engine that does run, it's twisted the other way. So I say we cut it, flip it, and try cranking it again. It's like really wiretied.

[00:20:50]>> They must have been serious about >> Yeah.

[00:20:52]>> try not to have it turn.

[00:20:54]>> I know. They're like, "This engine is such a beast. We can't have it running again." Well, we're about to unleash the beast. Here we go.

[00:21:09]>> I'm gonna say it's blown up.

[00:21:11]>> Yeah, it just suddenly >> It just stopped.

[00:21:14]>> I'm going to get a stick and put it on there so my hand isn't close to the spinny bits. Oh, it no turn over no more.

[00:21:24]>> Well, it had a good run.

[00:21:26]>> Dude, that was only >> it stuck.

[00:21:30]Yeah, we could try to unstick it again, but dang.

[00:21:36]>> Give it more oil.

[00:21:38]>> You think it's done?

[00:21:39]>> Yeah.

[00:21:40]>> All right.

[00:21:41]>> Yeah, we could have a problem with the oil pump. The oil pump could be seized.

[00:21:45]>> Uhhuh.

[00:21:46]>> It could have uh could have just finished locking it up.

[00:21:51]>> Yeah, very true. Let me just, you know, I just for testing purposes, I just want to see what happens if we uh try to try to spin it over.

[00:22:01]>> Man, Slim was so hopeful that this thing was going to run.

[00:22:05]>> I know, man. This is going to be your side car, buddy.

[00:22:08]>> He looks so let down.

[00:22:09]>> Sorry, buddy.

[00:22:10]>> He does. It's okay, dude.

[00:22:12]>> Yeah, he does look pretty bummed out.

[00:22:15]See you guys wasting all kinds of money on stupid vehicles.

[00:22:18]>> So, did you say you're going to spend it over again or not? Uh, I'm going to try with like my my hand crank. All right.

[00:22:25]So, our engine unsticking device is going to tell us just how bad this is.

[00:22:34]I'm going to say it's stuck.

[00:22:36]>> Yeah, I don't think it was that stuck when we first started.

[00:22:45]>> It's done, fellas.

[00:22:46]>> The internals.

[00:22:48]>> Y'all blew up my engine. Y'all owe me $60.

[00:22:53]>> $60? What?

[00:22:54]>> Quick, let's hide it in the pond.

[00:22:56]>> $60. That's how much I gave for that.

[00:22:58]>> Yeah, that's very That's more stuck than it was before. Dag nab it. Well, upside is that we have a parts engine, but now we need to get the starter and everything moved back over to that engine and find our victim.

[00:23:11]>> Here's a good soldier.

[00:23:21]Sergeant Hats, we didn't know you for long, but you were a big inspiration to the whole crew while you were here for that one fire stroke we got out of you.

[00:23:34]We'll remember you forever as we lay you to rest today. For those of you watching, you can head to cars-camer.com because we've just restocked on one of our most popular t-shirts from over the years. It'll be fine racing red t-shirt.

[00:23:55]>> Rest easy, soldier.

[00:23:58]I've never been so sad and looks so good.

[00:24:02]>> Wait, guys.

[00:24:04]It he's an organ donor. It says right there on the vent.

[00:24:07]>> Oh, yeah.

[00:24:07]>> Oh, we got to get this guy back inside.

[00:24:09]But we got to harvest the organs. Don't forget cars-camer.com.

[00:24:13]Support the channel. We're shipping out merch multiple times a week. Fast shipping times. So, we're going to keep this guy around in case we need parts.

[00:24:21]And we're going to need to find a vehicle to put this one on. So, let's go shopping, crew.

[00:24:31]Yeah.

[00:24:33]I mean, we could might as well bring it in and measure it. H.

[00:24:41]Did you put this together for your kids?

[00:24:43]>> Um, yeah.

[00:24:48]It's not done, but maybe we won't cut it up that much, you know?

[00:24:53]>> I mean, we could always put it back.

[00:24:55]>> Yeah, >> man. I bet the engine is going to weigh more than the go-kart.

[00:25:03]>> 97 and A2.

[00:25:04]>> Oh, yeah, for sure.

[00:25:07]That thing's only n That thing's under 100 lb. And you guys might remember this go-kart from last summer. This was the worst rated go-kart sold on Walmart's website. And we already put a diesel engine in it.

[00:25:21]>> Oh, yeah. We did.

[00:25:22]>> It was like a four horse diesel, three horse. It was so slow. Well, this thing's got another thing coming today. Well, we know for a fact that this is going to be in the way. The roll hoop. We got to get this unbolted. We're going to fit it in. We're going to see, I guess, how much interference we have and what we need to modify.

[00:25:42]>> I'm going to say the engine weighs 148 lb.

[00:25:45]>> 148?

[00:25:45]>> Yeah. It's a 500cc diesel.

[00:25:49]>> Um, yeah, the the wood should stay behind.

[00:25:52]>> Yep.

[00:25:53]>> Yeah, I'd say it's probably about that.

[00:25:55]>> Here we go.

[00:25:56]>> All right.

[00:26:05]Look at that. Only 117.

[00:26:08]>> That's not too much more than the go-kart.

[00:26:10]>> Yeah, it's crazy. Going out.

[00:26:29]Is it going to fit like a glove? Oh, brother. It's going to be close. It's going to be so close.

[00:26:37]>> Yeah. We're gonna have to maneuver it in there.

[00:26:39]>> Yeah. Uh ready to come down just a little bit.

[00:26:42]>> Yeah.

[00:26:48]>> This thing needs a slow mode. It's just wide open.

[00:26:51]>> Yeah, I know. It's too fast.

[00:26:53]>> All right. It's like It might do it though.

[00:26:55]>> Yeah.

[00:26:56]>> Coming down.

[00:27:00]So, the exhaust is going to be in the way.

[00:27:05]>> We don't need an exhaust.

[00:27:08]>> Exactly. Straight pipe. It is.

[00:27:10]>> It's a head warmer.

[00:27:12]>> Oh, it really is. All right. Well, let's pull it out and take the exhaust off.

[00:27:18]>> Yeah, sure.

[00:27:18]>> I mean, I could try to drop it down farther. We're only going to do damage to the chassis, though, I think.

[00:27:23]>> Yeah. Well, I don't think we need this part.

[00:27:32]That ain't going nowhere.

[00:27:35]Not yet.

[00:27:38]So, this engine is fitting in here perfectly. It's like it's almost meant to be.

[00:27:44]We got the chain put on for alignment and chain tension. And we still have some wiggle room in here to get it a little bit tight. So, everything's going pretty good. And then our little removable mechanisms for it that way. I mean, it's still for like a a car with kids. For kids, right?

[00:28:06]>> Yeah. I mean, I I didn't want to do a heavy modifications to the chassis. Um, one thing that we had to take off was that backbone. I think we're going to have to add something back, though, because all this weight, which we weighed this thing, and the engine weighs more than the cart itself. I don't want to see it fold up like a taco. So, we need to reinforce this a little bit. What I was kind of thinking, we have some bolt points on the side of the block of the engine and just running a piece of like reinforcement from the the block to like a tab or something that we can weld right here. You know, minor modification, not permanent. We can take it out later. stuff.

[00:28:52]That is a good looking engine now. Man, I was wondering how we were going to do it since this clutch was going to be in the way. And that is a pretty part right there. Thanks. I guess we can just go straight across with maybe a fish fish mouth piece of tube on this side. We're going to test this thing without this tube cuz we need that clean clean thumbnail shot.

[00:29:18]Yeah, >> true.

[00:29:19]>> And if it doesn't uh bend itself in half, we'll put this in for the full test.

[00:29:25]>> Whatever was I thinking. What?

[00:29:28]Yeah. How dare you design something to be structurally sound.

[00:29:34]>> I guess that means we're done.

[00:29:35]>> Really? The throttle is all done and everything.

[00:29:37]>> Throttle is done. It's got full range of motion.

[00:29:45]We are locked in here up top.

[00:29:48]>> Should make sure all these bolts are tight though.

[00:29:50]>> Nice engine brace. Engine to chassis brace. I like it.

[00:29:54]>> And you might be wondering, where's the exhaust?

[00:29:59]Where's the exhaust? It's over there.

[00:30:02]We're almost there, but I made another stainless steel exhaust, and it's pretty sweet. This one is very specific, too. It tucks up right beside it.

[00:30:16]>> Yeah, cuz we don't have much clearance for our heads. I mean, our heads are going to be right here. So, that hot pipe is going to be >> Yeah, it's still going to be pretty hot.

[00:30:25]>> But, you know, with this big exhaust, it would literally be sitting up against our head. So, >> this is way better.

[00:30:34]>> Just going to pull it from the engine.

[00:30:36]>> Yeah, >> why not? I guess.

[00:30:39]>> Why not? It's most of the weight.

[00:30:45]Oh yeah.

[00:30:45]>> Water ball down.

[00:30:47]>> The chassis is 100 lb. The engine is 115 lbs.

[00:30:52]>> Oh, dude. Wait. We actually measured it.

[00:30:55]>> I don't think we Oh, what are you doing?

[00:30:57]>> That's structural piece we are going to use.

[00:31:01]>> Oh, that one.

[00:31:03]>> Yeah, that could hurt somebody.

[00:31:15]Does my engine make my go-kart look small?

[00:31:18]>> No, it's perfect.

[00:31:21]>> I'm I'm off the header.

[00:31:22]>> You are. And your back is going to get toasty.

[00:31:27]>> Toasty.

[00:31:28]>> I mean, you >> Yeah, our back would have been hitting that exhaust for sure.

[00:31:35]>> Yeah.

[00:31:37]Well, from here forward, everything seems business as usual.

[00:31:43]>> Now, we're going to see what that little thing's really made of.

[00:31:46]>> Yeah.

[00:31:46]>> Y'all are making it so complicated. This looks like it's going to get messy.

[00:31:53]>> Yeah.

[00:31:54]>> No, we got it.

[00:31:55]>> No. Yeah. You all got it? No mess at all.

[00:31:59]>> Nope.

[00:32:01]>> None.

[00:32:03]It's doing exactly what it's supposed to do by design.

[00:32:06]>> Uh-huh. No mess at all.

[00:32:09]>> Should be good.

[00:32:10]>> Who's going to be the first one to take it for a spin?

[00:32:13]>> I can, but you got to train me how to do a classic Isaac sendoff.

[00:32:18]>> Oh, man. You just matt it right out the door.

[00:32:20]>> Oh, really?

[00:32:21]>> Yeah.

[00:32:24]>> Pretty much.

[00:32:25]>> Just disregard everything and just full send.

[00:32:27]>> Just full send right out the door. All right. So, we need to uh since it's electric start, we got to hook up the jumper cables. Oh, please don't stall it out there cuz we're going to have to bring the batteries and the jumper cables every time we have to restart it.

[00:32:41]So, I man, I can't I can't wait. I can't wait to uh to see it go.

[00:32:47]>> All right, we're test firing it now.

[00:32:49]>> Yep. Go for it.

[00:32:52]Hear this thing rev up on the stand.

[00:33:00]Are you ready?

[00:33:39]That surprised me.

[00:33:40]>> So, no return on the throttle. I guess we could have just done this. My ears are ringing.

[00:33:46]>> No return on the throttle.

[00:33:48]>> Yeah, we don't have a return on throttle. Look at that. It literally right I mean >> no I didn't even hit the throttle. I just bumped the starter and it just went.

[00:33:56]>> Yeah. There's no kill switch and like this air filter. I thought I could pull the filter off and just throw a board over it. But there's like a weird >> Yeah.

[00:34:04]>> flange that you can't do that. So I don't want to throw a rag in there cuz I'm going to be bending the valve. Um that's exciting.

[00:34:14]>> Good luck whoever riding it, >> dude. All right. We need to figure that one out. I was thinking about just sitting in the seat, just go for it. But man, >> I'm glad you didn't. You would have been riding. You would have been doing laps until you ran out of gas.

[00:34:28]>> Holy smokes, man.

[00:34:29]>> Oh god.

[00:34:32]>> Guess that would have been all too bad when we picked this small fuel tank.

[00:34:36]>> Yeah, but I didn't even burn through a third of the tank. You'd still be out there doing donuts, crapping your pants, brother.

[00:34:43]>> Yeah, there's probably enough for like five Grand Prix laps, maybe. Yeah, >> if >> that was wide open, too, wasn't it?

[00:34:51]>> I mean, >> it was I just I had the two strokes or no, the uh the submerging engine incident just like playing in my head like this thing would be so much worse if if something like that happened here.

[00:35:05]>> Yeah, if you're on it and it's going.

[00:35:07]Yeah.

[00:35:09]>> Oh, man.

[00:35:10]>> All right, shake. Wait, >> shake. What? What did I do wrong?

[00:35:14]>> I'm not saying you. I'm saying we're a unit.

[00:35:17]>> It's the engine's fault.

[00:35:19]>> What did we learn?

[00:35:20]>> Oh, look. This still has water coming out of it from our water experiment.

[00:35:25]>> Oh, nice. So, what do we learn?

[00:35:28]>> Um >> I mean, we did what we were supposed to.

[00:35:31]>> Yeah, I lifted the whole cart, you know, as a precaution. So, that was safe.

[00:35:37]>> Yeah. And you didn't get in it at first, so that's also good. Was it pointed towards anything expensive? No, just a tree. That would have been entertaining.

[00:35:47]Um, yeah. I mean, the big thing is just like I guess the th how the throttle was set up.

[00:35:53]>> I Well, we didn't really do anything with the throttle. We just hooked on to where the throttle lever was. It's still spring actuated.

[00:36:02]So, nothing in the engine throttle wise was modified. So, I mean, if we did everything by code and it just didn't work, should we be shake weighting?

[00:36:13]>> No. I don't know. I mean, it was kind of unsafe. Just unexpected.

[00:36:18]Well, now that we got a fresh set of pants, we're going to try round two.

[00:36:23]>> You ready?

[00:36:24]>> Yeah, I think so.

[00:36:25]>> All right, here we go.

[00:36:51]Heat. Heat.

[00:37:14]I don't think it likes to turn very much. All the weight on the back wheels.

[00:37:19]Should we have made sure that wheel is tightened on there?

[00:37:28]I think he's taking it easy. Okay. So, the wheel the axle's bent cuz when Zach rolled it, he bent the rim. So, that's why the the wheel wobbles so much.

[00:37:39]>> Okay.

[00:37:39]>> So, that's Yeah.

[00:37:41]>> Yeah. I'm guessing he's taking it kind of slow. The gearing looks a little bit too high for it.

[00:37:49]>> Oh, and it's dirty.

[00:37:51]This is a two-handed operation.

[00:37:55]I don't want to let go of this thing. It is topheavy and it likes to dart around.

[00:38:01]>> I hope he doesn't stall it cuz he's going to be walking.

[00:38:09]All right, testing the brakes. Brakes working.

[00:38:18]Oh boy.

[00:38:24]Woo.

[00:38:27]Yeah, like the throttle doesn't even seem like it's getting up to full or a max throttle.

[00:38:38]>> Lot of clutch slipping. Whoa. Lot of clutch driving.

[00:38:44]>> It's geared high. Yeah, but it looked like when it started to go, it really started to go.

[00:38:52]off probably like at 20 miles an hour then it's it's pulling hard.

[00:38:57]Okay. But uh I got to get some speed coming back a little bit. I'm not hitting top speed yet like maybe like 80% and it seems like it's hitting like 30 mph already. So probably about 35 40 I don't know.

[00:39:17]Pretty awesome. What do y'all think?

[00:39:21]Wait for John for some hot stuff.

[00:39:31]Maybe we ought to look into a little bit larger to gear gear to go on the axle.

[00:39:37]>> You can feel it just back and forth.

[00:39:43]If you know anybody with the bulldozer, please come by and help us fix this track.

[00:39:50]Oh god, I know I can't make it sound very impressive. It's such a low RPM machine and she's hauling at low RPM.

[00:40:14]Man, that was a ride.

[00:40:17]>> All right. Well, let's get this thing in in and uh get it checked over real good.

[00:40:21]I think I would like to find a little gear change, like a few teeth to get a little bit more bottom end out of it.

[00:40:28]>> Yeah. Um I was very disappointed that it's not even close to trying to wheelie.

[00:40:34]>> Yeah. It the power doesn't come in until like 15 20 mph in.

[00:40:39]>> Yeah. And what's impressive to me, it doesn't even look like it used any fuel.

[00:40:47]>> That thing is very fuel efficient.

[00:40:49]>> You said the chain was hot.

[00:40:51]>> Yeah.

[00:40:54]>> Nope. It's the clutch. It's on fire.

[00:40:56]>> Don't touch the clutch, man.

[00:40:57]>> All right. So, uh, I I noticed when Scott was taking off that the clutch did not engage until it made it like most of the way across the the driveway in front of the garage. Like, it didn't start engaging until you started going into the path. So, I feel like we need to increase the gear size on the axle. And, uh, what John was saying was, uh, y'all had to special make the hub on that sprocket or the sprocket to the hub to get it up there. So, I'm going to try to find a gear that'll be a little bit bigger, get a little bit more bottom in, and I don't know if I can do it, but I would love to see how to increase the RPMs on this engine. So, I'm going to have to find how the governor works on this. Might not be able to do anything because it looks like it's internal, but we definitely need better bottom end.

[00:41:55]So, let's get the chain off, get the sprocket off, and see if we can do a little something something.

[00:42:01]>> So, we not going to rest until we see some wheelies.

[00:42:05]>> I think it'll do it.

[00:42:09]There we go.

[00:42:12]Now, just got to figure out how to get another sprocket on this hub. So, we've got our 30 to sprocket here. We're upping it to a What is this? 38.

[00:42:24]That is significant, my friend. It's not that much on the axle. If you were doing a gear change like that on the uh clutch or the the drive, it'd be a huge huge difference.

[00:42:39]I mean, we're wanting wheelies, right?

[00:42:42]Yeah, absolutely.

[00:42:43]>> I don't want to go 50 on this thing.

[00:42:45]>> No. No. It's a It's very twitchy.

[00:42:49]>> It's a kids go-kart. It's not meant to go fast. when I set it up.

[00:42:53]>> It's a diesel. It doesn't r out.

[00:42:56]>> So, I'm going to weld up onto this hub, which this hub is not fitting the axle, right? Because this >> Oh, you're going to send it anyway.

[00:43:03]>> I'm going to send it anyway.

[00:43:04]>> It's got a set screw, doesn't it?

[00:43:05]>> It's Yes, it does. And we got soda cans around here. We're going to shim it with some soda can.

[00:43:11]>> Plenty of them.

[00:43:13]>> Shim with some soda can and it's going to be perfect. I'm not even going to bother cleaning it.

[00:43:20]Luke is all like, "Wait, you're not going to clean it?" And I'm going to be like, "No, this is old school, baby.

[00:43:26]>> Don't do me like that."

[00:43:28]>> Thank you, sir. Some of my favorite Arizona sweet tea. Now, we're I'm looking for a sponsor. Me personally, not cars and cameras. You know, Arizona sweet tea. Give me a call. Let me know what y'all can do for me.

[00:43:46]We got our hub on, our sprocket on.

[00:43:48]Hopefully everything's going to line up right. Let's get the wheel on.

[00:43:56]Oh man, it is perfect. The fun thing about every time we set up a sprocket.

[00:44:01]>> Yep.

[00:44:02]>> Most of our builds don't actually have chain tension ability in the engine. So, we're just like crossing our fingers if a chain is going to fit on. Chain roulette. I guess I'll start with a fresh chain unless I find uh two master links and a a short section. So, we got 4D here. Did it pay off? Come on, baby.

[00:44:28]Oh, dang.

[00:44:30]Uh, it's a tight chain. This thing is going to loosen up quick, guys.

[00:44:35]We hope.

[00:44:44]>> Please fill me if this not sure.

[00:44:48]Technical difficulties.

[00:44:50]>> Uhoh.

[00:44:52]It's such a tight fit that I'm having a hard time. Oh yeah, it fits. Guys, we're in good shape. Any any words for our uh service member?

[00:45:05]>> General Hats.

[00:45:08]Um, be safe.

[00:45:10]>> Have a safe ride and I hope you don't end up like your brother.

[00:45:16]It'll be fine.

[00:45:18]Let's rock and roll, baby.

[00:45:19]>> Let's do it.

[00:45:24]Motor.

[00:45:27]Ready?

[00:45:31]That front end gets so light under power.

[00:45:38]>> Front wheels. That's a whole lot of goat. Acceleration is a lot better.

[00:45:54]Oh man. Oh, the steering is awful on this thing.

[00:45:59]The steering is so bad. So, it feels like it feels like the clutch would ideally have some more weight in it to engage at a lower RPM.

[00:46:18]I failed to look into the governor.

[00:46:22]>> Oh, yeah.

[00:46:24]Doggy surprised me. Dog attack.

[00:46:25]>> I don't think he needs it. That thing like is going to get up plenty fast for that kind of wheelbase.

[00:46:40]>> It the front end feels really light when that clutch finally locks in.

[00:46:46]>> Yeah.

[00:46:47]>> Like so light. Like I swear it came off the ground just a little bit coming back up. So, a couple of more teeth and playing with the governor, which I I forgot about the governor, so I >> got to play with that governor because I think the clutch needs a little more RPM for kind of the perfect what we're looking for.

[00:47:04]>> All right. Does it feel pretty good?

[00:47:07]>> Feels great, man. Good.

[00:47:08]>> This camera is dangerous and inconvenient, but I do love getting the shot.

[00:47:11]>> So, we're trying to figure out how to adjust the governor. We're trying to get it a little bit higher, get some more RPMs out of it. And there's a cover on the side here.

[00:47:24]And I'm looking at the throttle on this thing trying to figure out.

[00:47:38]So this is some linkage going to the injector, but it also is giving me a view inside the engine. Maybe I can see uh something with the uh the governor.

[00:47:51]I'm hoping >> this engine's still not hot.

[00:47:58]>> This is the blown up engine.

[00:48:00]>> Yeah, this is the donor.

[00:48:00]>> This is the parts engine. This is the engine that gave up his life. And it's a organ donor.

[00:48:09]>> Right now it's being a >> I'm digging in its organs.

[00:48:13]>> Right now it's being a cadaabver organ.

[00:48:14]Aren't you not supposed to mess with the like diesel governors and injection pumps? I mean, that probably increase our chance of running away diesels.

[00:48:25]>> Good. So, I noticed in here there's a a spring right here with a lever. And then I noticed a little Allen right there.

[00:48:32]And you can adjust the spring tension on that lever.

[00:48:39]So, I'm wondering if we can while that thing's running, if I just turn this thing counterclockwise or clockwise, maybe we can get a little bit more RPM or maybe it's either going to be more RPM or more fuel.

[00:49:06]Sounds good. Okay, good.

[00:49:09]Let me see if that one's adjustable. So, I'm not sure exactly what I'm doing, boys. I'm just going to play with an adjustment and I'm going to keep it eye where it is originally and we're going to give it wide open throttle and we're going to see where the RPMs are. We're going to let up. I'm going to adjust on it. We'll go wide open throttles again and see if the engine RPM changes.

[00:49:29]>> Sound cool?

[00:49:30]>> I think it's a great idea.

[00:49:32]>> All right, good. You ready?

[00:49:34]>> Yep.

[00:49:35]>> Here we go. Please don't blow up. I already twisted on a little bit.

[00:49:39]>> You ready?

[00:49:40]>> Yep.

[00:50:18]Heat. Heat.

[00:50:38]Heat. Heat.

[00:51:01]Let me go back to this engine.

[00:51:06]All right. So, that definitely does something. Let me go back to this engine and see if I can adjust it too far.

[00:51:12]>> That's scary, dude. It does. it. I mean, this thing does really smooth out, though.

[00:51:18]>> Yeah.

[00:51:18]>> When it gets up to RPM.

[00:51:20]>> Yeah. All right. Let me see what I got over here.

[00:51:23]>> All right. So, I did some adjusting, and I'm not saying I did the right thing, so please don't >> Hey, but that doesn't mean you didn't do the wrong thing.

[00:51:34]>> Doesn't mean I did the wrong thing.

[00:51:35]We're going to find out.

[00:51:40]I was reading and uh trying to do some research on this and it was basically saying do not mess with anything.

[00:51:51]>> And we had to cut through a bunch of lock wire, didn't we?

[00:51:56]>> Threw a bunch of what?

[00:51:56]>> Yeah, there's like a little knob back there.

[00:51:58]>> Oh.

[00:51:59]>> Oh, yeah. Y'all did have to do that. All right, I'm cranking it up. It might run away.

[00:52:04]>> All right, >> so get away. I'm going to try cranking it up without hitting the throttle.

[00:52:09]>> Yep.

[00:52:09]>> Ready.

[00:52:24]Ready?

[00:52:46]It's all yours, buddy. Go.

[00:52:59]It does wheelies. Oh goodness.

[00:53:14]>> Okay. I think he did something good.

[00:53:16]>> Oh yeah. He did a wheelie. He did a wheelie.

[00:53:18]>> A riding wheelie. Yeah, I think with some more fine tuning I can get a little bit more out of them. This thing is really scary.

[00:53:30]Oh, they're kind of chill wheelies, but I still Okay. Yeah, I don't I don't think I like this go-kart anymore.

[00:53:41]It'll just lurch and send you the wheels to the sky.

[00:53:58]Turn it off.

[00:54:02]Turn it off. Turn it off.

[00:54:06]>> Man, that looks better, >> dude.

[00:54:09]>> Yeah, it's certainly better. It wasn't wheelieing like that before.

[00:54:12]>> Hey, buddy. Did I do good? Thanks, man.

[00:54:14]I'm glad you are worried about me.

[00:54:17]That was nuts.

[00:54:18]>> I think I can get a little bit more out of it. Just got to play with this.

[00:54:21]>> This go-kart always drove bad. Now it drives really bad.

[00:54:26]>> It doesn't look like it likes to turn.

[00:54:28]>> No, it doesn't like to turn at all.

[00:54:30]>> Yeah.

[00:54:31]>> Well, hot lap time. See where it lands on the leaderboard.

[00:54:33]>> Yeah, >> let's do it.

[00:54:34]>> All right. Ready? On your mark. Get set.

[00:54:47]He's never been out here with a hot lap.

[00:54:49]So, we got to make sure he's not there when John comes through.

[00:54:56]It's all good, boy. He'll be back. We should probably get out of the way, though.

[00:55:02]>> It's narrow. It's short. It's very tail.

[00:55:07]Look, it didn't even turn in. It's very tail happy. Tail heavy.

[00:55:14]And it has more top speed than it should too. Oh yeah. Oh, you have to be off the gas. Oh, if you want if you want to turn.

[00:55:31]Yeah, you got to load up the front to turn at all.

[00:55:36]Holy smokes.

[00:55:39]Oh, this is a warm lap. This is just a warm lap.

[00:55:45]All right, we're going to come all the way off the gas and back in. Back off.

[00:55:51]Back in wheelie.

[00:55:58]This thing off, boys. We did it.

[00:56:05]>> Oh, yeah.

[00:56:06]>> Two engines for $240. One of them might have been blown up, but darn. This thing is an absolute riot on this go-kart.

[00:56:14]That was a military auction win, brother. Well, thank you. Put her there.

[00:56:17]Thank you guys for watching and we'll see you next time.

[00:56:20]>> Don't you want to know your time?

[00:56:21]>> It's going to be slow. What was it?

[00:56:24]>> You were covered in diesel.

[00:56:26]>> Yeah.

[00:56:26]>> 108.

[00:56:28]>> That's pretty good.

[00:56:30]>> You can give a call at 8675309.

[00:56:33]You're not >> 8675309 8675309.

[00:56:42]>> You just got to make sure to fill out the form when you do call. They require an ID10T form. Okay.

[00:56:50]>> I don't know what he's talking about.

[00:56:52]>> That must be all right. Cover, boys.

[00:57:09]You just told me Somebody for