bernie lomax Posted November 26, 2008 Share Posted November 26, 2008 can a square exhaust ported N42 header be used on a round exhaust ported N47 head or is that inviting trouble w/ a potential exhaust leak? I need a header to fit my N47, pls help Quote Link to comment Share on other sites More sharing options...
cockerstar Posted November 27, 2008 Share Posted November 27, 2008 Square port headers can fit onto round port heads, but a round port header onto a square port head is just asking for trouble. Quote Link to comment Share on other sites More sharing options...
ol doc gully Posted January 12, 2016 Share Posted January 12, 2016 How much is left on the table with a square port header on round port head? It's the setup I've always had since its how my car came, but just wondering how motivated I should be to replace it. Seems like it would be leaving a lot on the table, so just curious if anybody has switched between the two. (Sorry, i know its an old thread, but is the main one that keeps coming up through search and most relevant so figured I'd ask here.) Quote Link to comment Share on other sites More sharing options...
MidnightCafe Posted January 12, 2016 Share Posted January 12, 2016 I have a pacesetter round port header I can sell you cheap, I don't have the 2-1 connector though. Quote Link to comment Share on other sites More sharing options...
ol doc gully Posted January 12, 2016 Share Posted January 12, 2016 hmm PM me how much... i come to Rochester often for work but thats still not too close to you so we'd probably have to ship Quote Link to comment Share on other sites More sharing options...
MidnightCafe Posted January 13, 2016 Share Posted January 13, 2016 hmm PM me how much... i come to Rochester often for work but thats still not too close to you so we'd probably have to ship I'll have to get back to you. I might end up using it. I plan on attending next year's ZCCR in Rochester, you should go! I had a blast last summer Quote Link to comment Share on other sites More sharing options...
ol doc gully Posted January 13, 2016 Share Posted January 13, 2016 Haha OK.. let me know if you don't end up using it. Quote Link to comment Share on other sites More sharing options...
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