Offshoreonly.com - compression ratio

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danielthelen

02-20-2005 07:22 AM

compression ratio

What Compression ratio should I go with? I plane on using large Oval port heads and a 218 224 @ .50 comp cam. The rest of the motor will be stock. Looks like some of my pistion choices would make 8.5 to 1 or 9.3 to 1.
what would be the best to go with?

thanks
dan

330 hp
454 chevy 1987
23 foot Power Play
4000 pounds.

Vinny P

02-20-2005 07:57 AM

Re: compression ratio

That would depend on the availability of fuel in your area. As long as you can get 93 octane, I would go with 9.3 compression. Some guys here have trouble getting higher octane premium fuel on the water.

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