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displaying posts 1 to 11 of 11
| Author | Subject: Welded subframe advice |
 marco gti6
Seasoned Pro  Location: Troisvierges Registered: 09 Mar 2009 Posts: 1,350 Status: Offline |
Post #1
Hello fellas i am in the need of some advice on the above mentioned.Now i remember seeing this on a few threads. My question is if there are really any benefits on welding the whole subframe. I know that this is common on 205 subframes when installing heavier engines. Finally are the subframes on the 6 specific or are they the same across the whole engine ranges of the 306? Any help, advice, experiences or pictures are as always welcome  Cheers Marco |
 Posted 26th Nov 2012 at 19:12
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owain
Seasoned Pro  Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #2
From what I've read and seen, it makes a tiny difference, but if you're building a race or serious track car then every little helps. Until you've got a full weld-in cage, good coilovers, brakes, thicker ARBs and torsion bars I wouldn't bother. I seem to remember as well that the '6 has a different subframe due to the heavier engine. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 26th Nov 2012 at 19:25
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jonnie205
Seasoned Pro  Location: Bicester Registered: 10 Apr 2005 Posts: 4,146 Status: Offline |
Post #3
seam weld it, 1 inch miss 2 inches and carry on. Wont notice the difference realy but cant do any hard |
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Posted 26th Nov 2012 at 19:29
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #4
XU XUD and DW are the same except auto models.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 26th Nov 2012 at 19:32
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pete_rallye
Seasoned Pro  Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #5
Put it this way, the btcc 306's have a seam welded subframe s I guess there must be some benefit to it. I've seen others weld tubes to the 'arms' on the subframe to stiffen them up. Can't honestly see that making a big difference but seam welding should. I've seam welded another standard gti6 subframe. Pretty straightforward but quite time consuming to do. I found it difficult to clean the overlapped seams enough to weld them cleanly, but if you can acid dip them or something first, they should be easier to do. ________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
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Posted 26th Nov 2012 at 19:33
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marco gti6
Seasoned Pro Location: Troisvierges Registered: 09 Mar 2009 Posts: 1,350 Status: Offline |
Post #6
Ok fellas thank you for the input so far I am not planning on building a track weapon... not yet anyway... it was simply something i remember seeing on here and i wondered if it would have a noticeable effect on the stiffness. Cheers |
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Posted 26th Nov 2012 at 19:41
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #7
Na, not nearly as much difference as top and bottom braces would make, for instance. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 26th Nov 2012 at 19:42
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #8
ask phill, I;m sure he tested the deflection of his welded subframe and wishbone brace.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 26th Nov 2012 at 19:44
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owain
Seasoned Pro Location: Essex Registered: 20 May 2009 Posts: 9,185 Status: Offline |
Post #9
welshpug! wrote: ask phill, I;m sure he tested the deflection of his welded subframe and wishbone brace. Careful though, you might be mobbed by hot women if you've overheard having this conversation in public. ________________________________________ Membership expiring soon, get in contact on our new little forum project. |
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Posted 26th Nov 2012 at 19:47
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marco gti6
Seasoned Pro Location: Troisvierges Registered: 09 Mar 2009 Posts: 1,350 Status: Offline |
Post #10
owain wrote: welshpug! wrote: ask phill, I;m sure he tested the deflection of his welded subframe and wishbone brace. Careful though, you might be mobbed by hot women if you've overheard having this conversation in public.   |
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Posted 26th Nov 2012 at 19:54
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birk
Seasoned Pro  Location: Doncaster Registered: 24 Oct 2005 Posts: 7,032 Status: Offline |
Post #11
Think I've got a spare subframe I've half welded up if your interested.________________________________________ Dimma + Gt35 turbo = Solid rear beam mounts £130 07889376885 Dan |
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Posted 26th Nov 2012 at 20:23
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