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Author Subject: Rear beam ride height Gurus?
matt evans

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Location: Stourbridge

Registered: 16 Sep 2009

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Post #1
Just about to reassemble the rebuilt beam and have managed to secure a dummy shock to help set the ride height.

Im lowering the front on new B8's and new 30mm lower Eibach springs..... so....

Am i right in saying that the standard rear shock mounts are 330mm, and that a 3mm change in ride height is a 2mm difference in shock bolt distances?

so, assuming a 30mm drop on the rear (im fitting VTS torsion bars as well) will be a 310mm distance in bolt centres?

Will the stiffer TB's have any effect on static ride height? Ie will i need to drop it a touch more because its stiffer?

Ive used the search but not found a deffinative answer..

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Posted 17th Feb 2011 at 14:47
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simonjames

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Location: Whitland S.Wales

Registered: 23 Nov 2004

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Post #2
Yes 310mm for a 30mm drop

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Posted 17th Feb 2011 at 14:51
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jord294

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Location: somewhere in north wales

Registered: 09 Nov 2009

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Post #3
apart from b8s, you'll want the same height as my 6

so 310mm should be similar to this



but slightly lower with afull tank of fuel Wink

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Posted 17th Feb 2011 at 16:41
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marksorrento205

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Location: Airborne in the lanes

Registered: 26 Aug 2008

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Post #4
matt evans wrote:

Will the stiffer TB's have any effect on static ride height? Ie will i need to drop it a touch more because its stiffer?


When I fitted 21.3 mm torsion bars on the 205, I set it to the std height. It looked like a 4x4 to say the least LOL So I would say yes.

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Posted 24th Feb 2011 at 01:07
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marksorrento205

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Location: Airborne in the lanes

Registered: 26 Aug 2008

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Post #5
jord294 wrote:
apart from b8s, you'll want the same height as my 6

so 310mm should be similar to this



but slightly lower with afull tank of fuel Wink


I does look nice at that height mate. Just ordered my billies and eibachs Big grin What distance did you set the beam at with the 21mm torsion bars?

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Posted 24th Feb 2011 at 01:08
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jord294

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Location: somewhere in north wales

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Post #6
i think i went for about 308mm

but as said, with a full tank of fuel it does sit lower

so i'd go with 310mm to be safe Wink

________________________________________

FRESHLY RE-FURBISHED GTI BEAMS
FITTING AND LOWERING AVAILABLE.
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IF I'M NOT HERE, IT ONLY MEANS ONE THING.... I'M SOMEWHERE ELSE!
Posted 24th Feb 2011 at 17:39
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marksorrento205

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Location: Airborne in the lanes

Registered: 26 Aug 2008

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Post #7
Cheers matey Smile

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Posted 24th Feb 2011 at 18:32
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iplay

Seasoned Pro

Location: Number Wang

Registered: 18 May 2006

Posts: 3,272

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Post #8
matt evans wrote:
Just about to reassemble the rebuilt beam and have managed to secure a dummy shock to help set the ride height.

Im lowering the front on new B8's and new 30mm lower Eibach springs..... so....

Am i right in saying that the standard rear shock mounts are 330mm, and that a 3mm change in ride height is a 2mm difference in shock bolt distances?

so, assuming a 30mm drop on the rear (im fitting VTS torsion bars as well) will be a 310mm distance in bolt centres?

Will the stiffer TB's have any effect on static ride height? Ie will i need to drop it a touch more because its stiffer?

Ive used the search but not found a deffinative answer..



thread pitch on dummy shock is 1.25mm and 1mm on dummy shock = 3mm ride height with standard torsion bars. 1 turn on dummy shock = 3.75 mm. half a turn 1.875mm.
Posted 28th Feb 2011 at 18:30
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,866

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Post #9
322mm on stock torsion bars i've found is around 25mm, 320 around 30mm.

Very hard to be precise with specific lowering distances really what with bushes and manufacturing tolerances, but easy enough to get both sides the same.

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Posted 28th Feb 2011 at 20:53
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