Intercooler fitment, etc. on possible turbo conversion

Huw Powell audi at humanspeakers.com
Wed Feb 25 23:36:43 EST 2004


> I think a late '83 or '84 Coupe GT 093 trans still had the cable
> operated clutch, but with the close ratio gears.  You might want to
> check on that (I am not absolutely certain).

That is correct.  The QF tranny is cable and high gears (80 mph at 3k in
5th).  The 3Z, which should be floating around in '84 MY cars has the
later lower gears (60 at 3k in 5th?) and is still cable operated.  I've
been trying to get one for years - there were some on ebay a while back
(new ones!), but I guess I wasn't trying as hard as I thought.  The ABV
is the same lower gear set but has a hydraulic clutch, from 85-87 (the
87.5 cgt has different output flanges, don't know if it still the same code)

>> The '83 also has a cable actuated clutch, so you'd have to add the 
>> hydraulics to run the later tranny.  The later tranny will get him
>> lower gearing - an instant 15-20% jump in "apparent" power.

> Oh man details - I forgot about that.   Don't know if I'd want to do
> this - anyway to retorfit these trans with the old style cable
> actuated arm?  I suppose I could source a trans from a higher geared
> car - perhaps an old 5000?

Which do you have a problem with, the hydraulic part or the gear ratios?

> If I were to source a FWD trans. for a '83 coupe upgrade, which would
> you look for?  How to get around the hydraulic clutch conversion
> issue?

As an upgrade?  To upgrade what aspect of it?  If you want lower gears 
and cable operation, answer is above.  If the owner likes the high gears 
(lotsa highway miles, etc.), stay with what's in there.

As far as the hydraulic conversion, it shouldn't be a big deal - the 
pedal cluster already has both the cable hook and a place for the master 
pushrod, as I recall.  Cut a hole in the firewall and mount the master, 
hard hose to the slave, soft hose to the brake reservoir nipple for fluid.

I hope this helps a bit...

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/



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