[200q20v] Re: AOB and ADZ - is there a difference?

[C1J1Miller at aol.com]

Hi Rob, I'm forwarding this to the 200q20v list.

I've generally reproduced the factory brochure here:
http://members.aol.com/c1j1miller/brochure.html
which shows the gear ratios as 4.11:1
HTH, Chris Miller, c1j1miller at aol.com


In a message dated 4/8/01 2:19:39 PM Eastern Daylight Time, 
robbrauns at bb.eulink.net writes:

> Hi Chris:
>  
>  Thanks for your response. Keith actually bought 3 ADZ trannies and wanted 
> more,
>  but there are no more ADZ. The AOB is the closest I can come with and he 
> wants
>  5-6, but needs to be convinved that the AOB will work.
>  
>  Keith is convinced that the ADZ really has a 3.89 drive ratio and that the 
> AOB
>  has a 4.11 FD ratio.
>  
>  Chris, a lot of 200 20V owners seem to have transmission problems and once 
> this
>  stock of AOBs are gone, then the stock of availalbe new, old stock will be 
> gone
>  forever. So, would do me a favor and post my post to the 20 V turbo list.
>  
>  I remember that about 2 months ago, at least 10 people emailed me for an 
ADZ 
> and
>  some weren't too happy about having to get a rebuild. The AOBs are not 
going 
> as
>  fast as the ADZ, but once people realise that they are similar, that might
>  change.
>  
>  Thanks for your help.
>  
>  Kind Regards
>  
>  Rob
>  
>  **********
>  
>  C1J1Miller at aol.com schrieb:
>  
>  > Hi Rob,
>  > I think Keith is wrong; the '91 200q20v used a 4.11:1 tranny.  The AOB 
> tranny
>  > you're talking about, however, is also a 4.11:1 tranny, I believe.
>  > Looking at ETKA, they both use the same rear diff, AAT
>  > 017 500 040D or
>  > 017 500 044J
>  > Looks like it would work fine; not sure if the gears are different, or 
if 
> the
>  > '91 200q20v gears were reinforced for the higher power output.
>  > HTH, Chris Miller, Windham NH, c1j1miller at aol.com
>  > http://members.aol.com/c1j1miller/
>  >
>  > Hello Again:
>  >
>  > Those ADZs are gone, but I can get 36 units of AOB. According to my
>  > version of FA, these 2 trannies are identical except for the rear tail
>  > housing. We compared them both and only see one hole in the ADZ (used
>  > for a timing light) that is not there on the AOB. FA shows the
>  > bellhousing as having the same number. We couldn't see any difference in
>  > the tail housings at all.
>  >
>  > Keith at Anderson Motorsport told me that the ADZ has a final drive
>  > ratio of 3.89 and that FA is wrong. I believe that the AOB can be used
>  > instead of the ADZ, since there are probably a lot of people wanting one
>  > of those new, but old stock ADZ. If the AOB works, I can get 36 of them
>  > for less than $900 each...
>  >
>  > Kind Regards
>  >
>  > Rob
>