Brake Vacuum Source Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Gregski** · 01-28-2015, 01:19 PM

first of all I can't see the Search on the Menu today, oh well

Instead of pulling vacuum for the brake booster from the base of the back of the carburetor can I simply pull it from the intake manifold? Is it six to some and half dozen to the other type a thing?

I could get away with using a shorter hose that way and wouldn't need any 90* turns.

1974 350 4spd 2WD GMC 1500

geezer#99 · 01-28-2015, 02:04 PM

Of course you can!!
Some motors came stock like that.

83swb · 01-28-2015, 06:30 PM

Absolutely can, as long as your getting full manifold vacuum your fine.

01-28-2015, 01:19 PM	#1
Gregski Post Whore Join Date: Aug 2014 Location: Sacramento, CA Posts: 10,893	Brake Vacuum Source Question first of all I can't see the Search on the Menu today, oh well Instead of pulling vacuum for the brake booster from the base of the back of the carburetor can I simply pull it from the intake manifold? Is it six to some and half dozen to the other type a thing? I could get away with using a shorter hose that way and wouldn't need any 90* turns. 1974 350 4spd 2WD GMC 1500

01-28-2015, 02:04 PM	#2
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,785	Re: Brake Vacuum Source Question Of course you can!! Some motors came stock like that.

01-28-2015, 06:30 PM	#3
83swb Registered User Join Date: Sep 2012 Location: CT Posts: 133	Re: Brake Vacuum Source Question Absolutely can, as long as your getting full manifold vacuum your fine.

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