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willwal98
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Location:
Toowoomba
Registered:
May 2002
 
Re: Roll centre adjusters? RA28 Mon, 17 October 2005 01:54 Go to previous messageGo to previous message
this has all been covered. The problem is caused by the front suspension being shortened which in turn changes the andle of the LCA.

There are problems caused which are a little more technical and needs some maths and diagrams to explain. When the vehicle rolls (going around a corner) the LCA angle changes on both sides of the car, one angling up more, the other down more. When you lower a car these anges are no longer the same and change the roll center of the car and ca actually give you more body roll along with other things. Gold28 had a very good write up on this but his page is no longer available.

Putting the LCA's back to the original angle is the best place for them because the rest of the front suspension and steering relates to that angle and the way the LCA moves on it's arc.

I have a lowered RA28 and I have just ordered a set of these, will be here in 2 weeks. I'll let you know how they go. Only problem is they are only available in 35mm from techno toy tuning and I could have done with 45mm ones. It should be close enough to factory to fix these issues but they really should be exact.

I'll try and get a hold of Gold28 and see if he can re-host that page somewhere or give me a copy to host for him because it really is a good read. There is another site to do with go-cart suspension which explains a lot aswell (very relevant to cars).

[Updated on: Sat, 22 October 2005 12:40]

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SubjectPosterDate
Read Message   Roll centre adjusters? RA28 blackRA28Sun, 20 June 2004 13:56
Read Message   Re: Roll centre adjusters? RA28 rxtoyMon, 21 June 2004 10:03
Read Message   Re: Roll centre adjusters? RA28 Brenton_TA23Mon, 21 June 2004 10:40
Read Message   Re: Roll centre adjusters? RA28 TurboRA28Mon, 21 June 2004 11:22
Read Message   Re: Roll centre adjusters? RA28 Simon-AE86Mon, 21 June 2004 11:24
Read Message   Re: Roll centre adjusters? RA28 Simon-AE86Mon, 21 June 2004 11:25
Read Message   Re: Roll centre adjusters? RA28 TurboRA28Mon, 21 June 2004 11:33
Read Message   Re: Roll centre adjusters? RA28 blackRA28Tue, 22 June 2004 13:19
Read Message   Re: Roll centre adjusters? RA28 TurboRA28Tue, 22 June 2004 23:11
Read Message   Re: Roll centre adjusters? RA28 blackRA28Thu, 24 June 2004 02:36
Read Message   Re: Roll centre adjusters? RA28 TurboRA28Thu, 24 June 2004 06:03
Read Message   Re: Roll centre adjusters? RA28 st184 sillycarThu, 24 June 2004 08:23
Read Message   Re: Roll centre adjusters? RA28 willwal98Wed, 23 March 2005 12:29
Read Message   Re: Roll centre adjusters? RA28 TurboRA28Wed, 23 March 2005 22:46
Read Message   Re: Roll centre adjusters? RA28 LachieThu, 24 March 2005 01:18
Read Message   Re: Roll centre adjusters? RA28 TurboRA28Thu, 24 March 2005 01:32
Read Message   Re: Roll centre adjusters? RA28 blackRA28Thu, 24 March 2005 13:00
Read Message   Re: Roll centre adjusters? RA28 TA-022Sat, 28 May 2005 01:52
Read Message   Re: Roll centre adjusters? RA28 StefanSat, 28 May 2005 02:23
Read Message   Re: Roll centre adjusters? RA28 TA-022Sat, 28 May 2005 02:43
Read Message   Re: Roll centre adjusters? RA28 blackRA28Sat, 28 May 2005 03:25
Read Message   Re: Roll centre adjusters? RA28 willwal98Tue, 31 May 2005 20:24
Read Message   Re: Roll centre adjusters? RA28 ra_28Tue, 31 May 2005 21:44
Read Message   Re: Roll centre adjusters? RA28 StefanWed, 01 June 2005 00:40
Read Message   Re: Roll centre adjusters? RA28 HyDrAWed, 01 June 2005 00:47
Read Message   Re: Roll centre adjusters? RA28 StefanWed, 01 June 2005 06:41
Read Message   Re: Roll centre adjusters? RA28 blackRA28Wed, 01 June 2005 02:25
Read Message   Re: Roll centre adjusters? RA28 TurboRA28Wed, 01 June 2005 07:11
Read Message   Re: Roll centre adjusters? RA28 willwal98Sat, 15 October 2005 23:39
Read Message   Re: Roll centre adjusters? RA28 RobertoXSun, 16 October 2005 02:59
Read Message   Re: Roll centre adjusters? RA28 willwal98Sun, 16 October 2005 06:03
Read Message   Re: Roll centre adjusters? RA28 tanmanSun, 16 October 2005 07:26
Read Message   Re: Roll centre adjusters? RA28 willwal98Sun, 16 October 2005 07:44
Read Message   Re: Roll centre adjusters? RA28 yrhkiraMon, 17 October 2005 01:14
Read Message   Re: Roll centre adjusters? RA28  willwal98Mon, 17 October 2005 01:54
Read Message   Re: Roll centre adjusters? RA28 TA-022Mon, 17 October 2005 08:22
Read Message   Re: Roll centre adjusters? RA28 willwal98Mon, 17 October 2005 08:37
Read Message   Re: Roll centre adjusters? RA28 willwal98Tue, 25 October 2005 13:17
Read Message   Re: Roll centre adjusters? RA28 ChriphTue, 25 October 2005 23:55
Read Message   Re: Roll centre adjusters? RA28 RobertoXWed, 26 October 2005 09:02
Read Message   Re: Roll centre adjusters? RA28 willwal98Wed, 26 October 2005 13:34
Read Message   Re: Roll centre adjusters? RA28 Gabriel TylerWed, 26 October 2005 17:13
Read Message   Re: Roll centre adjusters? RA28 StefanThu, 27 October 2005 00:05
Read Message   Re: Roll centre adjusters? RA28 Gabriel TylerThu, 27 October 2005 00:42
Read Message   Re: Roll centre adjusters? RA28 StefanThu, 27 October 2005 01:00
Read Message   Re: Roll centre adjusters? RA28 StefanThu, 27 October 2005 01:05
Read Message   Re: Roll centre adjusters? RA28 Gabriel TylerThu, 27 October 2005 01:10
Read Message   Re: Roll centre adjusters? RA28 StefanThu, 27 October 2005 01:21
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