Re: TPI Vacuum at idle

["Craig Moates" <craig.moates@home.com>]

I seem to remember mine pulling around 20" or so. I can check if you want.
14" sounds low, although I do have the 87auto no-lift cam.

----- Original Message -----
From: "gabe" <gellett@earthlink.net>
To: "GMECM" <gmecm@diy-efi.org>
Sent: Monday, January 24, 2000 2:53 PM
Subject: TPI Vacuum at idle


> Hey, anyone know off hand what a stock '85 TPI auto 305's idle vacuum
> should be?  Keep in mind that it has the same cam as the later model 5
> speeds (little longer duration & more lift than the auto's of 86 up)
>
> Mine is at 14"@ about 575RPM.  I think this may be causing some off idle
> derivability issues for the ECM...
>
> Thanks
> Gabe
>
>
>
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