More Parts Installed on the Trick Turbo Slammed Sierra (May Need Some Help)

When installing a turbo system on a stock 5.3L engine, wastegate spring selection is critical for safe boost levels; a green spring alone provides 9 lbs of pressure, while combining green with natural spring yields 10.5 lbs, which is relatively safe for stock applications, whereas green and red together produce 16 lbs which may be too aggressive.