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Old 01-20-2008, 11:31 AM
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If you can get 98 octane gas then you don't have to lower the CR much. When the 302 was new, the best pump gas we could get was 100 octane.

If it was my engine, I might take a little off the piston tops. Putting thicker head gaskets on is going to mess with your chamber quench.
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