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Thread: How to get a Chevy 302 under 10:1 CR
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Old 01-20-2008, 06:39 AM
y112 y112 is offline
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302
The small journal crank flywheel flange is completely round, where as the large journal flanges are made with a counter weight.

Be careful with milling the pistons: Factory 302's had 11-1 pistons that could be milled flat. You must check dome thickness before milling, because different production runs of the same piston are not alike. You might have to mill 1/2 of the dome and install 76 cc or larger heads.

Good luck Mate!
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