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  #1  
Old July 23rd 2022, 13:04
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Inner IRS rod end option?

Hi All,
I'm sick of the squeaking of the urethane bushes in my IRS inners, it gets really bad with rear passengers. Has anybody tried adapting them to rod ends successfully? It's either that or going back to OEM rubber...

Cheers,
Rich
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Old July 23rd 2022, 15:29
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Better back to OEM

There is no remedy that helps permanently.
Many have already been annoyed by the squeaking and also by the transmission of the noises into the interior. (gearbox, suspension ect.)
Most build back to the original (also available as an HD version)
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Old July 23rd 2022, 15:33
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Thanks for your reply, can you recommend a manufacturer of the HD version as I haven't come across that?
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Old July 23rd 2022, 16:14
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No idea in the UK.
In Germany for example:

GWD-Duesseldorf
https://www.gwd-weiser.de/drehstablagergummi/

https://www.youtube.com/watch?v=Rnn_-ePe4_I

or:

Gerd Tafel Tuning
https://tafelshop.de/
https://tafelshop.de/Drehstablagersatz-HD/S10504

https://www.youtube.com/watch?v=9MLnxyT7g1w
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Last edited by 412STi; July 23rd 2022 at 16:36.
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Old July 23rd 2022, 16:22
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There are advertisements from many VW shops in the Volks World Magazine.
Some may also carry these parts.
Just ask.
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Old July 23rd 2022, 16:57
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Thanks, I'll have a look. Those links you shared are for the outer torsion bar positions, I'm looking for the ones in the suspension arm at the inner position by the framehorns..
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Old July 23rd 2022, 17:32
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Oh, sorry, I read that wrong.
There are no extra HD known to me now. I don't think there are any.
My mistake.
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  #8  
Old July 25th 2022, 03:06
wouter1303 wouter1303 is offline
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I once saw that someone converted those inner IRS pivot rubbers into uniballs, but i can't find it.

And Delrin is maybe a better option?

https://kingoffroadparts.com/saco-pe...ivot-bushings/

Edit: I found them https://www.9products.com/product/10...erical-bushing. Fahrvergnugen has used them on his VWrankentein Oval. Maybe you can contact him
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Old August 1st 2022, 14:26
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Only just saw the reply! I haven't used Delrin like this before, not sure if that is immune to squeaking?

I've seen those 944 spherical kits but they won't work directly with a bug IRS rear end, different bolt diameters. I guess I might be able to adapt them?
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Old August 1st 2022, 18:49
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Ricola,

I saw where a guy used the 944 bushings from Elephant Racing by welding a nut inplace of the inner threaded portion of the inner trailing arm mount.

https://www.elephantracing.com/porsc...ball-cartridge

Ian who did it...
https://www.thesamba.com/vw/forum/vi...t=ian&start=80

https://shoptalkforums.com/viewtopic...96566#p1296566

Enjoy

Last edited by DORIGTT; August 1st 2022 at 18:51. Reason: Added a link
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  #11  
Old August 5th 2022, 17:45
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Thanks Dorigtt, that looks very promising. It looks like it was just the bolt he modified, I guess the stock VW threaded part takes the place of the red spacers on the inner side of the bearing..
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  #12  
Old August 13th 2022, 03:53
ian godfrey ian godfrey is offline
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Ricola, to use the spherical bearing I just turned down the VW bolt. I used alloy arms, I'm not sure how the bearings fit in a steel arm, what have you got? I would imagine it would still work.
I had to narrow the inner spacer that comes with the spherical bearing to get the arm where I wanted it (further inboard) but it was pretty easy to do.
Between the provided spacers and the factory washers you should be able to set it up how you like.
good luck if you go this way, Ian
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  #13  
Old August 13th 2022, 04:43
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Thanks for your reply Ian!
My only concern now is that I have the steel IRS arms from a 944 and possible internal diameter issues? From searching it looks like people that have fitted the VW size irs urethane bushes have to keep the steel bush sleeve that is part of the Porsche bushing assembly but that is removed when fitting the uninall kits so the kit might be too big for the be arm?
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