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Author Subject: Hybrid anti roll bar handling.
eddiebeano

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Location: Edinburgh

Registered: 31 Dec 2008

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Post #1
Hi, so I fitted a hybrid arb tonight, splines lined up with end plates fine. The rear of the car seems so much stiffer over bumps just for the arb, plus the handling could be described as twitchy, as in if you lift off on a corner, it's going to have you! However, if I put the power down through the corner it is excellent. My current set up is kw v2 up front, 21mm tb and hybrid arb out back, solid mounts and standard old rear dampers. Could the standard dampers cause a problem? I should say that upon removing the old arb it was infact smaller than an original gti6 arb. The change is such a shock. Anyone have any advice or similar experience?

Ed

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Posted 24th Oct 2012 at 22:21
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phillipm

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Post #2
That's pretty normal for uprating a rear anti-roll bar, it reduces the amount of potential rear grip available in exchange for less overall body roll

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Posted 24th Oct 2012 at 22:28
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welshpug!

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Post #3
standard dampers with that lot is a fail recipe waiting to be baked.

however I wouldn't call it particularly stiff at all, though removing the rubber from the beam mounts means that when you get to the edge that's it, its sliding no matter what, at least the o.e gives you some warning Wink

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Posted 24th Oct 2012 at 22:33
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miles

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Post #4
The ARB has nothing to do with the stiffness on the back, it does as it say and helps to control roll,
I run 30's in all of mine as I've never seen a huge/small gain with the Hybrid one and they are all planted as can be, mind the rear dampers are Group N one's

But the main difference I think you will have is going from a base model ARB

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Posted 24th Oct 2012 at 22:37
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JWP EFi

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Post #5
welshpug! wrote:
standard dampers with that lot is a fail recipe waiting to be baked.

however I wouldn't call it particularly stiff at all, though removing the rubber from the beam mounts means that when you get to the edge that's it, its sliding no matter what, at least the o.e gives you some warning Wink


mounts - i agree
Posted 24th Oct 2012 at 22:38
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eddiebeano

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Post #6
miles wrote:
The ARB has nothing to do with the stiffness on the back, it does as it say and helps to control roll,
I run 30's in all of mine as I've never seen a huge/small gain with the Hybrid one and they are all planted as can be, mind the rear dampers are Group N one's

But the main difference I think you will have is going from a base model ARB


I forgot to add, the rear seems very 'bouncy' compared to before. It feels really planted when putting the power down, its just when I lift off, it wants to kill me!

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Posted 24th Oct 2012 at 22:46
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JWP EFi

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Post #7
dont lift off lol
Posted 24th Oct 2012 at 22:48
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

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Post #8
sounds like yer dampers are fooked.

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Posted 24th Oct 2012 at 22:48
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eddiebeano

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Post #9
welshpug! wrote:
sounds like yer dampers are fooked.


Well the next purchase was going to be group n 205 dampers Yes

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Posted 24th Oct 2012 at 22:50
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24seven

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Location: Derby

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Post #10
As phillipm said, that's to be expected. You've increased the roll stiffness of the car, which means reduced body roll but more weight transfer to the outside wheel and thus reduced maximum lateral traction. When you put the power back down, the weight balance of the whole car shifts towards the rear and suddenly it grips again, so in effect you're balancing between having the lift-off oversteer to point the car around the corner and having traction to stop you going backwards into a hedge.

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Posted 24th Oct 2012 at 22:51
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eddiebeano

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Post #11
Just for comparison, here is a pic of hybrid arb against my old arb in the middle and a standard gti6 arb on the right

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Posted 24th Oct 2012 at 22:58
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woody.

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Post #12
Have you measured them?
Posted 25th Oct 2012 at 01:29
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JWP EFi

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Post #13
19mm, 24mm, hybrid-28mm
Posted 25th Oct 2012 at 08:36
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mark.evs

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Location: Near Bridgend

Registered: 21 Dec 2010

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Post #14
How are your rear beam bearings? They can cause the same problem.

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Posted 25th Oct 2012 at 10:09
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eddiebeano

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Location: Edinburgh

Registered: 31 Dec 2008

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Post #15
mark.evs wrote:
How are your rear beam bearings? They can cause the same problem.


I think they're ok, no camber issues and beam has been part recently.

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Posted 25th Oct 2012 at 21:37
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