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Re: 4K turbo conversion



At 09:15 AM 8/27/98 -0400, you wrote:
>1 - I used an engine from a 5000T (86 I think), you have to remove the oil
>pan and substitute the
>4000 oil pan, as the 5000T is only about 1/4" from the radiator, with engine
>movement the
>2 touch. I haven't made the change yet, as I will probably move the radiator
>sideways slightly.

Not giving away any secrets I hope, but 2Bennett Audimotive builds a custom
aluminum front end to mount the radiator at a deeper angle, like the Sport
Quattro.

>
>2 - you need the bent right tie-rod arm - the UrQ arm will not fit, as the
>taper on the tie-rod is
>different.

They take a convention arm and re-bend it.

>
>3 - you have to finds someone with lots of Audi turbo hosing. The 4K engine
>compartment is 
>narrower than the 5K and as a result I could not make the original turbo
>hoses fit properly.
>The biggest problem being the placement of the intercooler and it associated
>hoses.

They cut away part of the right fender well to make it fit.

>
>4 - Brake vacuum - I thin k I may have a problem with this. The turbo engine
>does not create a lot
>of vacuum, ad a result I may find that the brake booster will not have
>sufficient vacuum.

They add a fairly large vacuum cannister to assist with the vacuum.  The
vacuum pump on 4kq's an CGTs probably could be added as well, with some
detriment to hp.

>
>5 - wiring - what a night mare !!!!!!!!!!!
>
>gerry
>

What a challenge!  Its got to be good when you've got it all sorted out.

 
-Tony
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Tony Lum                                  1987 5000CS Turbo Quattro
Berkeley, California, U.S.A.                1985 4000CS Quattro
Audi Owner/Driver/Mechanic by Necessity ;^)   1980 5000S Sedan
                                               1987.5 Coupe GT
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