You don't need high compresion to make HP for the street. You can build 600HP with 9:1 compresion. You just look for the HP through better heads or stroking the engine for bigger cubes or power adders .
V8Fiero- I never knew that about e85? I googled it and you're right. It says you have to make changes because e85 is highly corrosive to fuel systems. what changes are you making?
Didn't mean to hijack thread but that's interesting.