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fergo308 Forums Junkie Location: Eastern Sydney Registered: May 2002	Re: eliminating body roll - ra28 Thu, 30 May 2002 07:28 TurboRA28 wrote on Thu, 30 May 2002 10:54 AM Sorry for the dumb question but what exactly is roll center? Roll centre is the theoretical point in the chassis where the weight pivots from when you apply a side load (i.e. turn into a corner). the closer you can get your roll centre to the centre of gravity, the less tendency the car will have to rolling,as you shorten this pivot's length. roll centre adjusters are necessary with some live axle cars (e.g older toyotas)when they are lowered. this is because the rear roll centre is most commonly the centre of the diff housing,which doesn't alter when you lower the car. unfortunately,the front RC does move,and you end up with a low front RC,and a high rear RC,which isn't the best-the car will tend to roll over itself-pivot from the rear axle before the front. roll centre adjusters bolted to the base of macpherson struts lift the front roll centre,fixing it's relationship with the rear,as well as bringing the RC and the CoG closer together. the result is greater overall stability,and less body roll,but without the downsides that very large swaybars give for the same roll reduction. the only downsides are a small increase in tramlining,and a shift in camber to positive by about half a degree. Justin... [Updated on: Thu, 30 May 2002 07:31] [Report message to a moderator]

	Subject	Poster	Date
	eliminating body roll - ra28	TurboRA28	Mon, 27 May 2002 01:15
	Re: eliminating body roll - ra28	Les	Mon, 27 May 2002 02:30
	Re: eliminating body roll - ra28	Soarer	Mon, 27 May 2002 06:52
	Re: eliminating body roll - ra28	TurboRA28	Mon, 27 May 2002 06:57
	Re: eliminating body roll - ra28	TOY77	Mon, 27 May 2002 08:31
	Re: eliminating body roll - ra28	Celica RA45	Mon, 27 May 2002 11:04
	Re: eliminating body roll - ra28	Celica RA45	Mon, 27 May 2002 11:06
	Re: eliminating body roll - ra28	Jonny2TG	Mon, 27 May 2002 13:59
	Re: eliminating body roll - ra28	TurboRA28	Tue, 28 May 2002 04:44
	Re: eliminating body roll - ra28	fergo308	Tue, 28 May 2002 08:36
	Re: eliminating body roll - ra28	Jonny2TG	Wed, 29 May 2002 03:37
	Re: eliminating body roll - ra28	fergo308	Wed, 29 May 2002 09:18
	Re: eliminating body roll - ra28	Jonny2TG	Wed, 29 May 2002 15:16
	Re: eliminating body roll - ra28	TurboRA28	Thu, 30 May 2002 00:54
	Re: eliminating body roll - ra28	fergo308	Thu, 30 May 2002 07:28
	Re: eliminating body roll - ra28	Malkomv2.0	Thu, 30 May 2002 07:38
	Re: eliminating body roll - ra28	Bugman	Thu, 30 May 2002 07:08
	Re: eliminating body roll - ra28	TurboRA28	Thu, 30 May 2002 07:13
	Re: eliminating body roll - ra28	TurboRA28	Thu, 30 May 2002 07:57
	Re: eliminating body roll - ra28	fergo308	Thu, 30 May 2002 13:05
	Re: eliminating body roll - ra28	fade-e	Tue, 08 February 2005 19:22
	Re: eliminating body roll - ra28	Celica_John	Tue, 08 February 2005 20:50
	Re: eliminating body roll - ra28	TurboRA28	Tue, 08 February 2005 23:10
	Re: eliminating body roll - ra28	TurboRA28	Wed, 09 February 2005 00:21
	Re: eliminating body roll - ra28	gold28	Wed, 09 February 2005 00:53
	Re: eliminating body roll - ra28	Stefan	Wed, 09 February 2005 03:06
	Re: eliminating body roll - ra28	fade-e	Wed, 09 February 2005 04:47
	Re: eliminating body roll - ra28	BlackMR2	Wed, 09 February 2005 06:34
	Re: eliminating body roll - ra28	Celica_John	Wed, 09 February 2005 06:53
	Re: eliminating body roll - ra28	jesseT18	Wed, 09 February 2005 08:30
	Re: eliminating body roll - ra28	Stefan	Wed, 09 February 2005 12:03
	Re: eliminating body roll - ra28	fade-e	Wed, 09 February 2005 12:04

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