Originally Posted By lewtot184
i'm very skeptical that 93 octane will support 10.9:1; good or bad quench.


You can if the combo is right.

I think the OP needs to drop his CR. He's asking a lot. He has tall gears, and IIRC he wants to run exhaust manifolds or something.

Just asking too much from what he has.

OP drop the CR.

Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston