Originally posted by AndrewtheRCman
which gasket are you using for the header?? im going nuts, here. i bought a set of mugen .21 gaskets. i thought they were working, but i seem to have an air leak still as my pixi hit 302 today on the temp(its a cold day)
I don't understand why exactly you've surmised that your header gasket has resulted in your engine running at exactly 302 degrees. Is there a visible leak from the manifold? If your engine is running hot try richening it up a bit.