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Boost Gauge
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TroyDest  
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PostPosted: Tue Apr 16, 2002 7:59 am    Post subject: Reply with quote
Good thinking Smoothie! To check the bypass valve: open the hood with the engine running, crack the throttle quickly and close it quickly. Do this several times. You should hear a click coming from the bypass valve's piston each time the throttle is opened or closed.
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Paul  



Joined: 02 Nov 2002
Posts: 9491
Location: Southeast Wisconsin
PostPosted: Sun Aug 24, 2003 12:02 pm    Post subject: Found my problem, was the turbo rebuilder! Reply with quote
Well guys, I had a few minutes this evening, so I finally did a few minutes worth of work on my motor (has been in an engine stand for months).

Guess what? The turbo that I bought from my Porsche dealer had the bypass valve installed BACKWARDS!!

No wonder I couldn't get more than 4 or 5 PSI of boost! Mine had to have boost in order to seal the bypass and is also the reason that it did not click when blipping the throttle.
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