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Intercooler coolers...

In message <> Don Pavlik writes:

> >Overall, the system works very well ... I haven't noticed any increase in
> >performance but I have noticed a lack of decrease in performance during the
> >summer months here in Arizona.  For the money, it was certainly worth the
> >(minimal) effort ... oh, yeah: A bottle of water usually lasts 3-4 tankfuls
> >of gas with normal driving. 
> I assume you are using distilled water?  If not, this would seem to cause a
> calcium/lime buildup on the intercooler from hard water resulting in
> decreased efficency over time.  

I'd have thought the same would occur even _with_ distilled water - air can be 
pretty mucky stuff, and the water has to travel a few inches through a mess of 
it to reach the intercooler.  A little like a "powder coating" process at 1,000-
fold dilution.

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club