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Thread: Sizing an exhaust system?
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09-28-2006 #7
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James,
Shorty headers are usually no better than exhaust manifolds.
I'm skeptical of 3/4 headers too, but have no data. I'd recommend real headers if you want performance benefits, and for a 350, I'd use 1.75 primaries, though 1.625 is fine too. I'm with Frank on length: 30-36" in length is about right.
Do you have a copy of David Vizard's awesome exhaust article from PHR (about a year ago)? He's got some real tech in it that will help you a lot.
jpLast edited by parsonsj; 09-28-2006 at 06:02 AM.
John Parsons
UnRivaled Rides -- Modern upgrades for your ride.
UnRivaled Rides recent project -- LS9-powered 69 Camaro
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