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williamb82 said:
really, i was led to beleive that the 6m's had the early 5m pistons that were flat top and still had the compression of the later domed style?
The 8.8:1 pistons from a 5M yield 9.2:1 compression in a 6M. You are compessing more displacement into the same space at TDC,... = 9.2:1
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