I picked up some aluminum heads to put on my 468. I have a question about what head gaskets to run. I have a set of je 258277 43cc domes and my heads have 119cc chambers. I did the calculation for compression using an online calculator I found. I would like to stay pump gas around 10.5:1 or so. The block amd heads do not have an o ring groove. I figured I needed a head gasket in the .090 range. On a 4.310 bore what size head gasket can I run (O.D)? Can I run copper head gaskets? Where is a good place to buy head gaskets? I know summit, jegs, but am I just stuck paying $160 plus per head gasket (MLS)?
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