wicked squeaks, possibly TPEFI related

Shannen Durphey Shannen at mcn.net
Thu Sep 18 04:46:37 GMT 1997


> I used all of the original air ducting and air cleaners from the Fire
Bird.
> There are no "before MAF connections", that I'm aware of on this setup,
that
> could serve as an engine vent. My 3.8PFI set up does have one after the
MAF
> and no PVC at all. 
> 
> Presently, I have the driver side PVC valve connected to the fitting at
the
> base of the TPI manifold also on the driver side. The passenger side valve
> is connected to the fitting at the back driver side of the plenum.
> 
> Since a negative pressure crankcase is a no no, I will remove the second
PVC
> valve and add a vent with it's own filter. I hate to imagine the damage
I've
> done to the seals and sealing surfaces not to mention the dirt that has
been
> ingested.
> 
You got me curious, so I looked in the book.  The Right Hand vent connects
to a fitting in the throttle body behind or around the TPS.  The fitting at
the rear of the engine is for power brakes.



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