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5kCSQ Overboost problem
In message <199609042225.SAA17368@urq.East.Sun.COM> Robert Houk - SMCC Bos Desktop Hardware writes:
> I connected directly to the big momma air port on the bottom of the
> waste gate. Would not hold (build up) any significant pressure, as fast
> as I could pump that stupid little hand pump. Connecting to the much
> smaller top (atmo) ref port, it held pressure/vacuum just fine.
Take a wastegate apart and you'll see it. There is no practical attempt to gas
seal the actuator rod between the exhaust and boost chambers. The upper
plenum, however, _should_ be gas-tight.
Committee Member, UK Audi [ur-]quattro Owners Club