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Old 02-07-2014, 03:55 PM
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Guys, can someone who is good with a compression calculator tell me what a flat top 5.3 would be with 58cc heads and also with 60cc heads? thanks in advance to whoever can help me
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Old 02-07-2014, 06:08 PM
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10.5 vs 10.8 with stock gasket height
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Old 02-07-2014, 07:17 PM
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True flattops with no valve relief? Assuming GM gasket, I'm getting 11 and 11.3 CR.
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Old 02-07-2014, 11:25 PM
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TSP said my 5.3 with flat tops, 62cc and .40 gasket was 10.6
what gaskets you using?
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Old 02-10-2014, 06:32 AM
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Yes, true flat tops, no valve reliefs
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Old 02-10-2014, 06:32 AM
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And yes stock GM gasket
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Old 02-10-2014, 08:44 AM
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I get 11.03 using .009 out of the hole and 3.91x.051 head gasket.
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