Quote:
Originally Posted by grahambehan
Now we have resolved the cam quantity.
A conservative turbo system nets roughly 3-4% power increase over base engine power level per pound of boost. So Jerrys performance estimate is pretty close. The main drawback with turbocharging an engine with 11- 11.25:1 compression ratio is knock limit of the fuel .
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Is that an issue with ethanol based fuels; IE pump E85?
I've tuned a couple hundred turbo charged V8 applications on my dyno and have never been able to push an ethanol based fuel into knock before MBT.
I guess the LT5 is more knock prone than most engines?