Re: Piston Slap?????

["Ken Keith" <ken.keith@specialdevices.com>]

quk@isham-research.demon.co.uk (Phil Payne) wrote:
> 
> In message <001901be0793$6c1428c0$e52296d1@dgrady.nai.net> "Mr. Daniel P.
> Grady" writes:
> 
> > What is the milage? What makes him think it is "piston slap"? I assume he
> > means by "piston slap" that the bores have worn over-size and that the
> > pistons/ piston skirts are smacking against the bore. That's a rare
> > phenomenon on audi motors, so far as I know.
> 
> Two supposed occurences - both on early WR ur-quattros.  One was
> supposedly because of the installation of water injection and the second
> simply because the first owner habitually drove the car _hard_ from cold.

So, water injection is a bad thing?  I've been curious after seeing the ad 
in the J.C. Whitney catalog.

Since I never see anything else about them anywhere else, I've passed on 
trying them out.

Ken