exhaust manifold fabrication
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Joined: Nov 2001
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From: Biggest Little City
Re: exhaust manifold fabrication (The Spoiler)
just use a hole saw on your manifold base and leave the pipes round, use 1 3/4" we've made like 4 manifolds like this and no problems at all. don't worry about the little oval
Honda-Tech Member
Joined: May 2001
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From: FULL RACE, AZ, USA
Re: exhaust manifold fabrication (The Spoiler)
please dont just leave the runners round where they meet the head.
On my stuff, its really thick so its tough to bend but a 10 ton press is the best way. Just crush the metal into shape.
Also 1.75" is too big, use 1.5 or 1.375. 1.75 will lose power.
On my stuff, its really thick so its tough to bend but a 10 ton press is the best way. Just crush the metal into shape.
Also 1.75" is too big, use 1.5 or 1.375. 1.75 will lose power.
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