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1BIGJIM 09-11-2008 09:40 AM


Originally Posted by PatriYacht (Post 2682016)
My 548's with small dome pistons and decked blocks only came to 10.0 to 1 and I'm compressing almost 10 percent more into the same size space.

What octane do you have to run?

PatriYacht 09-11-2008 01:55 PM

93 with alum. heads, 120 degree thermostats, 36 degrees of advance. Not a hint of detonation. I'm tempted to try milling the heads and going for 10.5 but it'll probably bite me in the azz.


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