M.Liston Posted January 22, 2019 Report Share Posted January 22, 2019 What is the standard compressed thickness of the northstar's headgaskets? Cometic makes a variety of headgasket thickness's, and markets them as the COMPRESSED thickness. They range from 0.041'' to 0.120'', and the thinnest gaskets are starting at about $123 each side. Does anyone on here know the standard thickness at compressed stage? I will be going thinner, but do not want to make a massive change that would require modifying the cam sprockets to stay in proper mechanical timing. Thanks in advance -Matt (98 Seville SLS) Link to comment Share on other sites More sharing options...
Logan Posted January 24, 2019 Report Share Posted January 24, 2019 Not sure who "Cometic" is.....sounds like racing stuff. I do see them on Google when one searches for Northstar gaskets. For the amount of work involved I would stick with a name brand like Felpro etc. The thinner side is what a standard replacement would be.. maybe in the .04 - .06 range. Not sure why anyone would put a gasket in that was a 1/10 of a inch thick....unless the block has been machined etc or adding a turbo... Logan Diagnostic LLC www.airbagcrash.com www.logandieselusa.com www.ledfix.com www.ledfix.com/yukontaillightrepair.html www.ledfix.com/ledreplacements.html www.ledfix.com/j42385toolrental.html Link to comment Share on other sites More sharing options...
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