Re: RE: Re: Vacuum 101

From: jon@dakota-truck.net
Date: Sun Sep 23 2007 - 16:49:28 EDT


Phil Jenkins <bugnik@yahoo.com> wrote:

> Ok, I hook up my scanner with engine off. I have 29"
> of barometric pressure from MAP sensor. Start truck,
> at idle I have about 11" showing on the scanner.
> 29-11=18" of vacuum. I plug the exhaust and have 20"
> on the scanner. 29-20=9" of vacuum. Less vacuum with
> exhaust plugged, higher reading on scanner. Does that
> sound right? (Pouring some gasoline on the fire.)

   Your results are exactly what I would expect to happen, yep!

-- 
                                          -Jon-

.- Jon Steiger -- jon@dakota-truck.net or jon@jonsteiger.com -. | '96 Kolb Firefly, '96 Suzuki Intruder, Miscellaneous Mopars | `-------------------------------- http://www.jonsteiger.com --'



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