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B21 Vacuum problems? on 79 GT 200

posted by  zmoseley on  Tue Feb 18 03:00 CST 2003
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last visit: Tue Jul 17 16:23 CST 2001
[RELATED]

The filter over the PCV was a small air filter to substitute for the fact that we no longer had an airbox to run the outlet of the PCV into... (When we put on the cold air intake we lost the air box.) I suspect this has something to do with my problem because I no longer have vacuum at the PCV, the truth is my car probably never did because the air box that we removed was pretty broken.

What's the proper thing to do with the outlet of the PCV valve when you switch to a cold air intake? How do you maintain vacuum?

P.S. My backfire was in the intake... what does that tell me?





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