[200q20v] Re: AOB and ADZ - is there a difference?
C1J1Miller at aol.com
C1J1Miller at aol.com
Sun Apr 8 23:25:30 EDT 2001
Hi Rob, I'm forwarding this to the 200q20v list.
I've generally reproduced the factory brochure here:
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
> but there are no more ADZ. The AOB is the closest I can come with and he
> 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
> has a 4.11 FD ratio.
> Chris, a lot of 200 20V owners seem to have transmission problems and once
> stock of AOBs are gone, then the stock of availalbe new, old stock will be
> 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
> some weren't too happy about having to get a rebuild. The AOBs are not
> fast as the ADZ, but once people realise that they are similar, that might
> Thanks for your help.
> Kind Regards
> C1J1Miller at aol.com schrieb:
> > Hi Rob,
> > I think Keith is wrong; the '91 200q20v used a 4.11:1 tranny. The AOB
> > 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
> > '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
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