4000Q 5-bolt Conversion

[Kaklikian, Gary]

Javad,

We've tried both the 10v and 20v 80/90 carriers, and in both cases, the
5000tq hub was binding against the bearing housing. This is with 4kq rear
axles on opposite sides in the front.  The 10v and 20v 80/90 uprights appear
to be the same - it is the carriers & hubs that are different. The wider
track on the 20v comes from a thicker hub than the 10v.  Even the 10v  hub
is thicker than the 5000tq hub. The EKTA shows different part numbers for
the late '89-on 10v carriers w/ABS than the '88-early '89 10v carriers w/out
ABS, but I don't know if this is simply because of the ABS sensor housing or
some other change in dimensions. 

And yes you're correct - the 20v 80/90 uses a 82mm front bearing , while the
10v uses a 75mm one, and the 4000q uses a 68mm front and 75mm rear. 

There was a suggestion that A4tq front hubs will work with the 80/90 struts,
but I doubt the spline would be compatible with the 4000 rear axles.  Maybe
with 80/90 front axles?

I'm wondering whether anyone has used 80/90 struts w/4000 rear axles and
5000tq hubs ??

Gary



> ----------
> From: 	JShadzi at aol.com[SMTP:JShadzi at aol.com]
> Sent: 	Sunday, August 19, 2001 9:40 AM
> To: 	Kaklikian, Gary; quattro at audifans.com
> Subject: 	Re: 4000Q 5-bolt Conversion
> 
> Gary, I think the problem is that you need 20v uprights that use the
> bigger 
> bearing.  All 80/90 10v front bearing carriers are the same, the 20v uses
> a 
> bigger bearing and bigger CV, I believe the 20v lower carrier will swap
> into 
> the 10v strut housing, the 20v cars have a wider track, but it is a
> function 
> of the strut housing, not the carrier.  I have been planning this upgrade
> (to 
> the 20v/B4) carrier for some time.
> 
> HTH,
> Javad 
> 80tq.com
> 
> 
> In a message dated 8/19/2001 6:34:38 AM Pacific Daylight Time, 
> Gary.Kaklikian at compaq.com writes:
> 
> << n the front, we're trying to use 90Q uprights, 4000Q rear axles (on
>  opposite sides) and 5000tq hubs.  But, neither the 90Q 10v wheel bearing
>  housing (lower piece of the 2-piece strut assembly) or the 90Q 20v wheel
>  bearing housing will work. With the 10v part, the 5000tq hub binds
> against
>  the housing with the wheel bearing installed.  I believe the 10v housing
> I
>  have is from a late '89-'90 90Q, since it has the  receptable for the ABS
>  sensor.  Is the '88-early'89 housing the proper piece to use with the
> 5000tq
>  hubs?  Is there a difference between the 90Q and 90fwd housings? Will the
>  5000tq hubs work at all with a 90Q wheel bearing housing?  
>   >>
>