ShoMeSomeFun Posted December 16, 2013 Report Share Posted December 16, 2013 Im planning on doing a port/polish on some aluminum heads over the winter. The motor was a crate build so I have no idea what they used, and the builder wasn't too sure what could of been used then as they have changed a few things since then. Motor is a 302 bored out alittle bit to a 306. What gasket brand should I use to retain my 10:1 compression, and able to support nitrous down the road. Thanks for the help. Quote Link to comment Share on other sites More sharing options...
Green Bastard Posted December 16, 2013 Report Share Posted December 16, 2013 When you pull the old gasket measure it. You should be able to find a calculator online to find what the original thickness of it was. Quote Link to comment Share on other sites More sharing options...
ShoMeSomeFun Posted December 16, 2013 Author Report Share Posted December 16, 2013 Thank you. Quote Link to comment Share on other sites More sharing options...
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