[urq] RE : WR Aluminum Engine

[Steve Eiche]

Ding ding!  Here is a picture of that block.

Notice that it was not machined for the flywheel VR sensors, nor did it 
have the oil return for the turbo.  Those would be easy to take care of 
though.

Steve



audijim at comcast.net wrote:
>  Yes, the Audi 100/Avant taxi from 8/81-08-82 had a WH engine code (S 
> 712 option code) that was a 5 cylinder, carburator engine with an 
> aluminum cylinder block. 1.9 ltr and 74Kw (100hp)
>  
> 
>     -------------- Original message --------------
>     From: Steve Eiche <seiche at shadetreesoftware.com>
> 
>      > FWIW, the block was used in some early ur quattros, as well as
>     some 100
>      > taxis in Germany in a carburetted short-stroke 1.9L configuration. I
>      > will let you guys find the engine code yourselves. :) One of the
>      > complete taxi motors with super low km sold on ebay.de last year
>     for 176
>      > Euro. The buyer then stripped off the head, and re-advertised it
>     as a
>      > Sport quattro block. It sold for over 1000 Euro. I missed out on
>      > getting it the first time when my bidding program failed to get
>     the bid
>      > in in time (rrrrr) and didn't bother at 1k Euro. It would have been
>      > worth experimenting with for the $400 or so that it would have
>     cost to
>      > buy and ship the first time, but at $1300 it wasn't worth the
>     risk to
>      > me. I still have the picture from the listing if someone is
>     interested.
>      >
>      > My guess is that the taxi block would be a good one to get if you
>     could
>      > find one, as it was likely to be the least stressed in it's life. I
>      > _think_ that the deck height was the same as the 2.2l, and the
>     bore was
>      > 79mm, so using a 86.4mm crank and 81mm pistons should work
>     assuming that
>      > the sleeves were thick enough.
>      >
>      > Rumor has it that there are also (at least) two different aluminum
>      > production version blocks out there used in the ur quattros and
>     Sports.
>      > Some are prone to cracks and are to be avoided, while the other
>      > "improved" version is very strong. I have no idea how to tell the
>      > difference...
>      >
>      > Steve
>      >
>      > Jim wrote:
>      >
>      > I totally agree with you on that one Brandon. All of my info came
>     from
>      > Aelred Smith, the original owner of Dialynx Performance in the
>     UK. He
>      > and I are friends, and what I wrote is what he told me a long
>     time ago
>      > when I was hunting for one of these blocks. I would think that Audi
>      > would have complete engines ready to transplant with little down
>     time
>      > for the customer. From what I understand, the alu engine was
>     replaced
>      > with an iron engine. That might account for there being both an
>     iron and
>      > aluminum block designation for the WR. Historians, please chime in! 
> 
> !DSPAM:1002,467035a6875157353110363!