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Dutch924-racer
Joined: 23 Jul 2007
Posts: 1081
Location: The Netherlands
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 Posted: Mon Sep 19, 2011 4:08 pm Post subject: 951 a-arms don't fit |
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Yesterday I tried to fit 951 A-arms (1986) on my 931, the rear end is thicker then a steel arm, and the aloy arms hit the cross-meber.
Has anybody modified trhe cross member ? I asume I need te cut and weld ?
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937 trackday car
Series 2 engine
951S turbo and intercooler
Fast road camshaft
Forge recirculation valve + boost controller |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Mon Sep 19, 2011 4:13 pm Post subject: |
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just for the knowlegde of the board, could you take some pictures? thanks !
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Supercharger and EFI kits
https://www.the924.com |
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Dutch924-racer
Joined: 23 Jul 2007
Posts: 1081
Location: The Netherlands
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| Posted: Tue Sep 20, 2011 6:17 pm Post subject: |
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Will make some picture this weekend
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937 trackday car
Series 2 engine
951S turbo and intercooler
Fast road camshaft
Forge recirculation valve + boost controller |
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Wed Sep 21, 2011 12:10 am Post subject: |
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There is a piece of metal on the "inside" of the cross member that comes down at an angle that will prevent the bushing end of the alu a-arms from fitting such that you can align the bolt with the bushing hole. The bushing end of the alu arms is a little bit fatter than the steel arms, so you can't quite get the holes to align because this angled metal piece prevents the alu arm from going up into the cross member as far as it needs to.
On both the Club Sport and the UWB, I made two cuts on either side of this angled piece of metal in the cross member, about inch or so from the bottom, and bent the "freed" portion up to make room for the a-arm. It is hardly a structural concern at that location on the cross member, especially once the a-arm is installed. If one were really concerned about strength in that portion of the cross member, you could weld in another piece just to be safe. But there is a rather large reinforcing section right in the center of the cross member.
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erstwhile owner of just about every 924 variant ever made |
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Wed Sep 21, 2011 12:50 am Post subject: |
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| ideola wrote: | | It is hardly a structural concern at that location on the cross member, especially once the a-arm is installed. |
+1, not to mention that piece is so thin I can bend it by hand. . .likely purpose is to prevent the box from spreading. Trim away!
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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Dutch924-racer
Joined: 23 Jul 2007
Posts: 1081
Location: The Netherlands
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| Posted: Wed Sep 21, 2011 1:23 am Post subject: |
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Great, wil work on it this weekend and make some pictures
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937 trackday car
Series 2 engine
951S turbo and intercooler
Fast road camshaft
Forge recirculation valve + boost controller |
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