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Author Topic: Looking for 305 basic vacuum diagram.  (Read 5400 times)

Offline mcgarage

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Looking for 305 basic vacuum diagram.
« on: April 13, 2017, 09:42:54 am »
Hello, just got into sbc and really like the setup and functionality. New to the forums, lots of great information.

Me and a buddy have a 1984 GMC 2500 Vandura. It has a 305 with 4bbl quadrajet.

I'm new to carburetors and looking for a basic vacuum diagram to see how the ealier engines functioned without emissions vacuum lines. Or atleast a vac diagram without an EGR since emissions were started before the 305. I'm curious which accessories came from the carb(vac advance timing, pcv, brake booster).

Seeing a simpiliar versions helps me to understand tge later models. For some reason I'm just not able to find the earlier versions of the vac diagram.
« Last Edit: April 13, 2017, 09:49:39 am by mcgarage »
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Offline VileZambonie

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Re: Looking for 305 basic vacuum diagram.
« Reply #1 on: April 13, 2017, 07:50:45 pm »
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