Re: Compressor bypass valve questions...

[Steve Manning <stephenm@ix.netcom.com>]

Jeffrey J. Goggin wrote:
>>I installed one of the Bosch compressor bypass (aka "dump") valves on my
>>200q this morning and just returned from a brisk test-drive.  I must admit
>>to being somewhat disappointed with the results: Yes, it works but it
>>doesn't make *that* much of a difference, at least not on my only mildly
>>modified car.  I think I understand now why Dave Head decided to sell his
>>setup ... perhaps it'll make a bigger difference once I install the GS
>>Racing 3" downpipe/exhaust system, extrude-honed exhaust mainfold and RS2
>>turbo next weekend?

And Dave Head replied:
>That's how I felt - to get full benefit I would need to be pushing a lot
>more air and revs (I rarely go over 5K rpm).
>(and be spending a buttload more money I couldn't afford)...

Isn't there some value here in alleviating the pressure spike that blows
intercooler caps off, when going from full throttle to no throttle at high
rpm's?........SLM

Steve Manning:  stephenm@ix.netcom.com
...Physical home: Metro D.C. area, USA
.....Virtual home:  http://www.stationwagon.com