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ED30 OEM REAR ANTI ROLL BAR QUESTION - ODD ONE

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ljc19630:
Hey guys, hope you're all well.

I'm currently at my pals garage doing a full rear suspension overhaul, using 99% Lemforder parts + OEM shocks.
The arts were purchased from AVS, whom i've never had issues with before.

We went to replace the ARB rummer mounts and clamps with the supplied Febi mounts and Febi Clamps (23604), but they dont fit. Having looked at the parts it says they are for a 21.7mm Bar, BUT the bar on my ED30 is 25.4mm in diameter. Definatly not aftermarket, so a bit of a strange one as I assumed the ARB on the ED30 would be the same as a standard GTi? We've located the correct mounts and clamps (23606) but cant get them till tomorrow

Can anyone confirm that the rear ARB on an ED30 is larger than tge standard GTi? :thinking:

Cheers
Louie

Clarkj93:
99.9% sure it's not. This page is helpful https://www.mk5golfgti.co.uk/forum/index.php?topic=28161.0

I reckon someone has fitted a genuine roll bar from another VW or Audi as a way to stiffen the rear. A big lump like the RS6/RS4 for example may have used beefier roll bars?

ljc19630:

--- Quote from: Clarkj93 on June 16, 2023, 01:17:48 pm ---99.9% sure it's not. This page is helpful https://www.mk5golfgti.co.uk/forum/index.php?topic=28161.0

I reckon someone has fitted a genuine roll bar from another VW or Audi as a way to stiffen the rear. A big lump like the RS6/RS4 for example may have used beefier roll bars?

--- End quote ---

Thanks buddy - I did think it was odd that VW would have altered the size!! - Weird thing is the ARB, mounts and clamps look in the same condition as the rest of the componants (165k miles) so must have been on for may years! What benefit would just changing the ARB give?

Cheers
Louie

Clarkj93:
It will stiffen the rear which will put more weight on the outside front tyre and typically giving more front grip and allowing the rear to rotate easier. If you drove an identical ed30 with normal gti roll bars you might think it understeers a bit compared to yours for example. So not a bad thing to have!

pudding:
25mm sounds too big for a rear ARB on the ED30. My Eibach kit was 25mm rear, 22mm front.

Stock ED30 bars are the same size as the GTI's. 21.7mm sounds about right for the rear.  OEM bars are hollow, hence the strange diameters  :grin:

I don't think any MK5 platform cars had a rear bar that big, not even the R32, so I'd say it's aftermarket, but it's strange if it's black as they're always red, blue or silver.

Whoever did it probably reused the clamps, which is probably why they look the same age as everything else.

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