![]() Good example would be most of the fastest stock bottom end 5.3's run 88mm or bigger turbos because it's kind off a win win. More rpm's also means more exhaust gasses being processed and that is what turns the turbo. Run a little looser converter so you can start higher in the rpms then ramp in more boost as the rpm increases. ![]() Same with turbo, try to buch boost to low in rpm and same prob can happen. So it bends rods, holds heat in longer, kills pistons and a bunch of other bad stuff. ![]() I'm sure everyone's heard you can't bring nitrous on to early because of possible backfire but mostly because to much power on a rotating assembly turning to slow. The biggest advantage to more rpm in boost is power management. Add boost and it extends even more as the engine doesn't have to work to pull in its air. With the 4.8 and 5.3 the rpm range is extended out further because of the smaller cubes even with your standard aftermarket 5.7-6.0 cam. ![]() There is less side loading on the pistons and bores with the correct rod ratio. Remember the chevy DZ302? As far as the turbo rpm thing goes short stroke is always best for rpm'. ![]()
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