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Question About AFR 225's 72cc Heads.......

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Old 02-18-2009, 04:00 PM
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Default Question About AFR 225's 72cc Heads.......
What will these put my comp ratio at???? stock ls1 Thanx for the help.
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Old 02-20-2009, 10:50 AM
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Anyone????? LOL
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Old 02-20-2009, 02:09 PM
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9.5:1 I believe
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Old 02-20-2009, 02:20 PM
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I run a 72cc head with a -4cc piston and a cometic 4.030 bore @ .051 thick, and I'm about 9.4 - 1 compression. So your probly around 9.8-10 to 1 compression depending on your gasket thickness.
Last edited by conan; 02-20-2009 at 02:25 PM.
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