blakep82
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| posted on 25/3/10 at 07:11 PM |
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has anyone ever...
replaced the flange plate on an exhaust made by someone else, and been used a lot?
i've got the exhaust header from an XE red top, and i'm finally going to get the plate changed to one for my XEV ecotec.
just a bit worried that when i cut the flange off the pipes, all the pipes are going to spring out all over the place...
whats the chances?
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madteg
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| posted on 25/3/10 at 07:14 PM |
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Weld brace across the back of pipes close to where you are going to cut and remove after job is done.
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RichardK
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| posted on 25/3/10 at 07:49 PM |
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^^^^ as above.
Gallery updated 11/01/2011
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blakep82
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| posted on 25/3/10 at 07:52 PM |
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so its pretty much definitely going to spring apart then? 
cool, will do that then
cheers 
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madteg
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| posted on 25/3/10 at 07:58 PM |
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Forgot to say weld brace underneath so when you grind the tacks of you cannot see them and yes it will spring.
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blakep82
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| posted on 25/3/10 at 08:03 PM |
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good plan! will try and do it underneath.
i'm trying to think if its possible to do it without welding....
i'm thinking like exhaust U Clamps round the tubes, with the, er, bottom bit (?) the bit that slides onto the U, welded to a steel bar. then
maybe it can be removed easier?
will it hold as well though?
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FASTdan
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| posted on 25/3/10 at 08:19 PM |
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We cut ours off (MK pinto manifold) and welded on a duratec flange - didnt appear to be much spring in the headers at all.
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RichardK
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| posted on 25/3/10 at 08:21 PM |
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Think it would work, what like using a bit of sturdy flat bar and drill two hole for each u clamp at the correct spacing. Pretty sure that would
work. Especially if you made two sets at placed them opposite each other.
I'm a lazy get though and would just weld the flat bar on and grind it off when the new flange was on. In fact that is what I did!
Depends on how lucky you are, with me it would deffo spring!
Cheers
Rich
[Edited on 25/3/10 by RichardK]
Gallery updated 11/01/2011
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whitestu
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| posted on 25/3/10 at 09:17 PM |
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I left the original flange (cvh) on and welded a Zetec one on top.
I'm no welder and this made it a lot easier to get a reasonable result.
stu
[Edited on 25/3/10 by whitestu]
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blakep82
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| posted on 25/3/10 at 09:19 PM |
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quote:
Originally posted by whitestu
I left the original flange (cvh) on and welded a Zetec one on top.
I'm no welder and this made it a lot easier to get a reasonable result.
stu
[Edited on 25/3/10 by whitestu]
i can't do that on mine. stud holes line up with the edge of the original plate, so its all a bit wrong. also, if i put another plate
underneath, i'll end up with the exhaust hitting the transmission tunnel, so i need to make sure it stays in exactly the same place, so will be
replaced
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luke
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| posted on 25/3/10 at 10:15 PM |
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piece of scaff bar and scaff clamps?
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blakep82
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| posted on 25/3/10 at 10:17 PM |
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hmm, i was just out looking at it again. the pipes don't all come out sort of flat, cylinders 1 and 2 go up slightly, 3 and 4 go down a bit,
then all start wiggling about. its going tpo be quite difficult to do it any way i try i think
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