bypass valve

[isham-research.freeserve.co.uk at pop.pol.net.uk]

>> One problem... you can run a "dump" valve on the Audi CIS system.  That
>> air that you would be dumping is metered air.

> Same thing is true for most of the ricers.  Cool sound and a puff of black
> smoke as the mixture spikes waaay rich.  An this is "neat?"  Bah.

Not doing it right.  A proper dump valve produces a sheet of flame
out of the exhaust, the explosion in the exhaust pipe serving both
to shake the cat to bits and stall the turbo.

--
 Phil Payne
 http://www.isham-research.freeserve.co.uk/quattro
 Phone +44 7785 302803   Fax: +44 7785 309674