Phillip Posted March 1, 2009 Author Share Posted March 1, 2009 Thanks, i'll look into it. Quote Link to comment Share on other sites More sharing options...
bjhines Posted March 3, 2009 Share Posted March 3, 2009 If you can assume that the engine was working fine until the exhaust change then I would bet the value of the car, that it was just incorrectly installed and the gasket leaks. Those gaskets need to be installed with knowledge about how the interfacing components will sealup while tightening them. You have an aftermarket header that obviously does not fit correctly with the orginal Nissan intake. This will only compound the issues NORMALLY associated with these L-series engines. Having the intake AND the exhaust on the same mouting plane makes it very hard indeed. Newer designs have gotten away from this for a lot of reasons, heat, fuel lines over hot headers, and the simple fact that they are nearly impossible to align and install correctly. Quote Link to comment Share on other sites More sharing options...
jc052685 Posted March 3, 2009 Share Posted March 3, 2009 Aw man, probably been knocking the whole time. You just couldn't hear it with the open exhaust. Quote Link to comment Share on other sites More sharing options...
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