[Chocoholic005]

Originally Posted by madfast

all you turbo guys, how much boost do you honestly think you can run on pump gas?

maybe relevant, maybe not:

http://heffnersperformance.com/heffner_ferrari.htm

fwiw the 458 has the same 12.5 CR and DI.

4 psi. Maybe. But if the pistons aren't forged, which i'm guess they are not based on Subaru's track record, probably less.