[Es2] [20v] B4 vs. Coupe Quattro, rear control arms

Mark Chang mark.chang at gmail.com
Sun Mar 1 19:07:32 PST 2009

I've got some sleeved delrins in my CAs. They are bone-jarring for
sure. But when I lived in Seattle, it was all fine, since the roads
are smooth there. Car has basically not been driven the past two years
since I've moved to Boston. Go figure.

2009/3/1  <dgraber460 at aol.com>:
> Delrin is harder than urethane. I have a 2.5" rod stock piece that I can
> sometimes use as a drift. I have used some solid bushings and they
> unbearable on city streets. The car would eventually have been jarred to
> pieces. I didn't think the handling was noticeably different/better either.
> Maybe at 10/10ths on the race track but definitely not on city streets. IMHO
> Dennis Graber
> Denver, CO
> 720-838-0558
> -----Original Message-----
> From: Kenneth Keith <auditude at gmail.com>
> To: Chris Maresca <ckm at crust.net>
> Cc: es2 at audifans.com <es2 at audifans.com>; Audi 20V <20v at lists.20v.org>;
> theringmeister at triad.rr.com
> Sent: Sat, 28 Feb 2009 4:36 pm
> Subject: Re: [Es2] [20v] B4 vs. Coupe Quattro, rear control arms
> I don't have machining capability, but access to stock bushings are
> not an issue for me.  I'm not sure if I gave that impression.  I have
> new stock ones, but I am trying to avoid the hassle of installing them
> if I have good bushings in another control arm, which I do now that I
> found some of the correct ones in my stash.
> I have had urethane bushings in the past, but I'm not a fan of them.
> They were noisy and needed to be lubed.  It seems like something in
> between the "hard plastic" of the urethane bushings and the soft
> rubber of the stock ones would be a good compromise, but I haven't
> seen anything like that.  I haven't tried delrin ones, but I know that
> it is about as hard as urethane is.
> Cheers,
> Kenneth
> On Sat, Feb 28, 2009 at 2:51 PM, Chris Maresca <ckm at crust.net> wrote:
>> You can pretty easily machine bushings for the CQ.  It's just a round
>> barrel
>> with a flange.....   Of course, this assumes you have access to this sort
>> of
>> equipement and I'm rather surprised you can't just buy new ones...
>> One neat trick is to burn them out with propane torch.  Messy and smelly,
>> but very effective.  BTDT on other cars.
>> Chris.
>> Kenneth Keith wrote:
>>> Thanks Wylie.  Now that I've looked at the suspension in person and on
>>> http://vagcat.com I see how very different they are.  I found some
>>> control arms in my shop that have decent bushings in them, so I'll use
>>> those.  I'm glad I bought the B4 90Q for the hood and other parts,
>>> because the suspension isn't what I expected at all.
>>> Cheers,
>>> Kenneth
>>> On Sat, Feb 28, 2009 at 1:10 PM, Wylie Bean <theringmeister at triad.rr.com>
>>> wrote:
>>>> The B4 rear is similar if not the same as the rear of the B5 A4 chassis
>>>> so AFAIK it's not interchangeable with a B3 CQ.
>>>> R&r on a bushing isn't that hard really. Can be done without a press
>>>> using a drill and a hacksaw and a BIG vise to push the bushing in.  Done
>>>> it
>>>> more than once.
>>>> -----Original Message-----
>>>> From: Kenneth Keith <auditude at gmail.com>
>>>> So I got my '95 90 Quattro onto my trailer to strip it for parts for
>>>> my eS2 mods to my '90 Coupe Quattro.  I'm focusing on the suspension
>>>> because I have a rear control arm bushing blown out on my CQ, and I
>>>> want to use the B4 lower strut housings with the KW coilovers I have,
>>>> which have 14mm holes vs. the 12mm in my CQ lower strut housings.
>>>> I was thinking I would be able to use the rear control arm off the B4
>>>> 90Q, but I see that it is different than the CQ rear control arm,
>>>> which itself is basically a Type 85 front control arm backwards.  Does
>>>> anyone know if the B4 rear control arms are interchangeable with the
>>>> CQ?
>>>> If not, then I'll have to replace the bushings in one of my loose Type
>>>> 85 control arms.  I was hoping more for a bolt in swap for now, rather
>>>> than having to mess with pressing out and in the bushing, which I
>>>> would be doing with a homemade rig as describe on Huw Powell's page,
>>>> http://www.humanspeakers.com/audi/bushings-pix2.htm, which takes a bit
>>>> of elbow grease and patience.
>>>> Cheers,
>>>> Kenneth
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Mark L. Chang

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