Inputs solicited -- 1990 - 90 - 20V Quattro

[Phil Payne]

> I discovered a 1990 Model 90, 20V Quattro for sale at a reasonable price.
> It has about 130K miles on the odometer.  Other than the more obvious
> questions, are there any hidden gotchas that owners have discovered, or
> previous owners?  Am I compounding maintenance problems by adding a quattro
> drive train?  Ditto for 20 valves vs 10?  Is there an absolute bingo number
> for timing belt change;  the 7A is an interference engine?

You're right up against the bingo number for clutch issues - throw-out bearing being
favourite.

--
  Phil Payne
  http://www.isham-research.com/quattro
  +44 7785 302 803