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FE engine builders
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| cobragene |
03-27-2022 05:26 PM |
FE engine builders
I have a 428 bored .030 with performer heads 6006 from late 1990s, when the engine was completed comp ratio came in at 9.9-1 later I had an issue and the heads cut .004 . The head Literature says chambers are 72CC and each .005 cut reduces chamber volume by 1CC. Can anyone (Brent) tell me what comp. Would now be? Thank you
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| Unique427 |
03-27-2022 06:21 PM |
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| blykins |
03-28-2022 10:44 AM |
If it was exactly 9.9:1 before and you don't had heads cut .004" then you approximately knocked off a cc, which would raise your compression ratio about .1 of a point. So you're still at around 10:1.
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| cobragene |
03-28-2022 06:47 PM |
Thanks guys
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