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| Re: A15 Compression calculation with GX head |
Subject: Re: A15 Compression calculation with GX head
by Rallytwit on 2018/4/14 6:28:12
That looks close but the the 79mm head gaskets have a crush thickness of .8 the felpro gasket should be no more than 77mm with a crush thickness of 1.2mm
You should also be able to find pistons with 10cc dish.
If you are on the stock bore I'd just go up to 76.5mm
As for the rings before you bore the block find someone who can check the actual bore size. Don't automatically assume that because the rings don't meet spec that it's the bore. The Hastings rings for my A12s 73.5mm bore were way to tight and need filling to be within spec.
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