marc_w Posted March 25, 2005 Report Share Posted March 25, 2005 I could have sworn I saw someone on one of those hot-rod TV shows using high temp RTV sealant on the metal head-to-header gastets on a GenIII motor (or similar). Anyone out here doing that? I got a possible valvetrain noise, and I'm trying to rule everything out. It doesn't sound like a header leak, but the more I think about it, the more I just don't trust those gaskets all on their own. Thanks, -marc Link to comment Share on other sites More sharing options...
evandostert Posted March 25, 2005 Report Share Posted March 25, 2005 The header I got had a new gasket and did not mention any sealer. I am fine. Did you use hardened pushrods???? Link to comment Share on other sites More sharing options...
marc_w Posted March 25, 2005 Author Report Share Posted March 25, 2005 Cool, thanks... Yeah, I'm running specific pushrods right now... Crane hardened 7.250's for the different style rocker bodies of the 1.89's. (BTW: Did you ever get into that cam swap?? ) Link to comment Share on other sites More sharing options...
evandostert Posted March 25, 2005 Report Share Posted March 25, 2005 Trying to move to vegas and now looking into a radix. I might sell the cam. I have seen push rod problems before when the engine heats up the metals do not expand properly on hardened things causing slop. Link to comment Share on other sites More sharing options...
TurbochargedBerserker Posted March 25, 2005 Report Share Posted March 25, 2005 You might try copper gasket sealent, but I don't think anything would have enough temp erature for head - header gaskets. Link to comment Share on other sites More sharing options...
BenKey Posted March 26, 2005 Report Share Posted March 26, 2005 I think there are actually copper gaskets out there that should seal better - supposed to. Link to comment Share on other sites More sharing options...
stexx Posted March 26, 2005 Report Share Posted March 26, 2005 Link to comment Share on other sites More sharing options...
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