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Old 10-03-2012, 07:38 PM
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You should CC the heads to see just exactly what the chamber size in for both. Its the only way to really know where your compression will be at. None of the head charts I looked at are consistent, nor have they been accurate in the past, some yes and some not.
I am guessing the 94s will be smaller chambers, as the 64 are from a 455 , which usually means larger chambers due to cylinder size.
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