Silent Posted October 13, 2005 Share Posted October 13, 2005 that is the question. right now, im in a severe porting mood. im about to tackle the job of smoothing the ports on the head to match the manifolds i just did over the weekend. to keep the exhaust liners, or to get rid of them you be the judge edit: it's a n47 head. Quote Link to comment Share on other sites More sharing options...
1 fast z Posted October 15, 2005 Share Posted October 15, 2005 A port can ONLY flow as much as the valve! Ive done the test, and trust me, one word, LEAVE! Quote Link to comment Share on other sites More sharing options...
ww Posted October 15, 2005 Share Posted October 15, 2005 ^^ agreed. Too much work for little to no return. Quote Link to comment Share on other sites More sharing options...
TheNeedForZ Posted October 16, 2005 Share Posted October 16, 2005 Yeah, I've heard they flow just as well as the square port head. The liners help reduce emission too. You are building a drag car any way so no emission concerns. Quote Link to comment Share on other sites More sharing options...
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