Re: Audi 2L conversion - HELP!

[Nigel Heron <scirocco@psycode.com>]

"Scott F. Williams" wrote:

> What you want is a block from an Audi 80. The applicable years are between 1990
> and '93, I believe. As for mounting it up, simply bolt the head on! You'll also
> need to either swap in your VW distributor or use the Audi's (which requires a
> knock sensor conversion). If you elect to eschew the knock sensor and keep it
> simple, you'll still need the drive gear off the bottom of the Audi's
> distributor because the VW unit is the wrong size. Similarly, the hole in the
> block is too big to accomodate the VW distibutor. Therefore you'll have to have
> a plate machine to take it. I either got mine from Techtonics or Shine Racing
> Service. I forget which...
>
> All in all it is a simple and very effective swap. It makes marginally less
> torque as the VW tallblock 2.0l 8v motor but it does spin up faster and have
> more upper hp potential due to the shorter stroke. Installed in a very light
> car, this is the way that I'd go. In fact, this is exactly what is installed in
> the Warpig.
>
> One warning, though, my engine definitely pings when it is really hot out -even
> when running Sunoco 94 octane in it. So far there have been no problems, but
> I'm going to try a few tricks to calm it down a bit. I'd make totally sure that
> your cooling system is working optimally and that you've got a cold air
> induction system rigged. I don't; I'm inhaling hot engine air which will
> significantly increase the potential to ping.
>
> Well, do it to it!!!

You will need to  make a block off plate for the front of the 3A block to cover the
PCV breather housing hole, so that you can mount your pressure regulator. The other
hole can be plugged with a standard freeze plug. If you can, use the distributor
from the Audi and wire in the vw knock sensing ignition. Use a head gasket made for
the 2.0. From what i've heard, if you are using a solid lifter head the Audi 36mm
oil pump will be too big. Do you have to change the oil pickup or the oil pan? was
the audi 80 engine mounted longitudinally?

-nigel.
"The world is botch." -Paul Maione.


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