Guest Anonymous Posted February 12, 2003 Share Posted February 12, 2003 My Z's exhaust is restrictive in my opinion, but I would like hear someothers opinion also. 355ci 6300rpm shift 244/252@.050 Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted February 12, 2003 Share Posted February 12, 2003 Opps .518/.536 VL 60 degrees overlap Sportsman 2's (200cc, 64cc) pocket ported 2750lb car The exhaust : 1 5/8 block huggers 2 1/2 y 3 Pipe out to stock position Not mandrel pipe some places the cross-section gets pretty tight. Quote Link to comment Share on other sites More sharing options...
Guest the_dj Posted February 13, 2003 Share Posted February 13, 2003 Sounds very similar to mine. You shouldn't have problems (I don't). You'd get the most benefit from going to long tubes, but you really don't need them. I run mid 12's and my engine has some serious intake limitations right now. Don't worry about it. Quote Link to comment Share on other sites More sharing options...
Mike C Posted February 13, 2003 Share Posted February 13, 2003 Couple of the new hot rod type mags I read have had an exhaust pressure test system. Comes with a drill bit, a tap, bunch of pipe plugs (to fill the holes you drilled...) and a test gauge. Shows how you can test at various points in your system to determine where and how much restriction exists. Seems like a good idea. $50 was the cost. I think the new Chevy High Performance had it for a reference. Email me and I'll try to find it for you if you want. Quote Link to comment Share on other sites More sharing options...
z ya Posted February 19, 2003 Share Posted February 19, 2003 Don Manzo runs that same set up in his 383 240z. Car runs 11.58 at 121! Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted February 20, 2003 Share Posted February 20, 2003 you might try running a 4" exhaust. thats what the Fbody LS1's seem to all be going to. Quote Link to comment Share on other sites More sharing options...
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