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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: cwilson jr on April 14, 2009, 01:45:54 pm

Title: vac diagrams
Post by: cwilson jr on April 14, 2009, 01:45:54 pm

when looking at these diagrams, what is the differences between the low and high altitude and the auto trans alternates versions?

Title: Re: vac diagrams
Post by: Captkaos on April 15, 2009, 11:25:27 am

What diagrams?

Title: Re: vac diagrams
Post by: cwilson jr on April 15, 2009, 02:04:10 pm

vacuum diagrams as in the such below.
http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?chapterTitle=Vacuum+Diagrams&partName=Driveability+%26+Emissions+Controls&pageId=0900c1528004c3cb&partId=0900c1528004c381

Title: Re: vac diagrams
Post by: VileZambonie on April 15, 2009, 04:02:10 pm

your link doesn't bring up any diagrams. The differences would be seen when comparing diagrams. Use whichever your VECI label says.

Title: Re: vac diagrams
Post by: cwilson jr on April 15, 2009, 08:12:39 pm

the problem is that the truck came with a 305 and now has a 350.  my sticker is a "UHK", which is a low altitude with an auto trans. alternate.  does this mean i would use the 350 diagram with low altitude and an auto trans. alt.?

Title: Re: vac diagrams
Post by: cwilson jr on April 15, 2009, 08:36:13 pm

and this one as well.