kango
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| posted on 2/10/05 at 06:28 AM |
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X Flow Exhaust Manifold Flange
I am in the process of making my own exhaust manifould.
Q1:- Is it better to make a one piece plage as to 3 small flanges?
Q2:- Has anybody got a drawing of a single piece flange. The type of drawing that I can give to an Engineering shop to make it.
Q3:- Will I be anle to use 8 mm plate fot the flange?
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viatron
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| posted on 2/10/05 at 11:16 AM |
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Would have thought you could make a flange pattern from a one piece exhaust manifold gasket. Just checked my flange (fnarr fnarr) and its 10mm
Mac
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JoelP
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| posted on 2/10/05 at 11:40 AM |
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i made an exhaust for my pinto engine, i used 4 seperate flanges each only 3mm thick. It worked fine. I suspect people use 10mm plate when doing it in
one piece to reduce distortion, but by using seperate pieces the distortion is less important. I found it very easy even though it was one of my first
pieces of 'real fabrication'.
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rusty nuts
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| posted on 2/10/05 at 11:52 AM |
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I used a manifold that had a 10mm one piece flange and found it impossible to seal center section to cylinder head because flange was distorted . In
the end I cut flange so that it was
effectivley a three piece which then allowed center section to seal, also remember that the manifold studs have an unthreaded section , it may be a
good idea to measure it and make flange to suit?
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JoelP
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| posted on 2/10/05 at 12:08 PM |
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i packed washers up to cover the unthreaded section. 
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Deckman001
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| posted on 2/10/05 at 04:12 PM |
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Anyone know a cheap source of manifold studs??
Jason
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Peteff
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| posted on 2/10/05 at 06:11 PM |
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Take them out and use bolts. They usually end up coming out anyway when the nuts seize on them.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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