Thanks lou
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| Calling all exhaust sytem gurus https://slantsix.org/forum/viewtopic.php?t=34098 |
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| Author: | 68barracuda [ Wed Mar 04, 2009 9:57 am ] |
| Post subject: | Calling all exhaust sytem gurus |
Hi Guys - a local chap has decided to build slant headers and exhaust systems for a couple of us guys- jigs the works - he is mopar man but manufactures Harley custom systems for a income - and performance car headers for a hobby Question time - this is a 6 - 2 setup Primary tube length and diameter we are pushing for torque collector design as he aims to do dual systems first how far downstream of the collector outlet must the X pipe be? and finally exhaust system diameter downstream of the collector and what should the layout down stream of the collectors to the Y pipe be and what should the system diameter be in this case? He builds his systems flanged thus - you can bolt the sections in yourself He has no experience with slants but has a 69 barracuda he is starting on and is willing to learn Has done loads of V8's before - cobra guys and so on ,,,and Hogs Thanks in advance - |
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| Author: | Dart270 [ Wed Mar 04, 2009 10:35 am ] |
| Post subject: | |
From what I've used, and observations of the folks who "know": 1) 1.5" primary pipe diam (OD) 2) 30"-34" primary pipe length 3) No idea on collector design terminology, but smooth is better 4) Secondary pipes 2" or 2.25" diameter, 2" likely better for a non-all-out race motor (street/track) 3) Y-pipe into single 2.5" for single exh, or X-pipe for dual 2". For a serious motor, go 2.25" secondaries into 3" primary single. Place this X or Y junction about 24-30" behind the header collectors. Should have the Y or X junction point about 6" behind the trans X-member on a Mopar A body. I am a single exh guy for the slant 6. No performance reason for duals, just for looks, so may as well save the weight on the car and expense. I wouldn't be surprised if a big single is better than duals for performance. Hope this helps, Lou |
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| Author: | 68barracuda [ Wed Mar 04, 2009 1:33 pm ] |
| Post subject: | |
Thanks lou
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| Author: | 68barracuda [ Thu Mar 05, 2009 5:08 am ] |
| Post subject: | |
The collector design is quite crucial from I have seen.. |
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