Vacuum help on 71 w/ BB - The 1947 - Present Chevrolet & GMC Truck Message Board Network

tex_waco_usmc · 11-27-2012, 11:06 AM

Working on a 71 and got the motor fired up and running and realized that there really isnt any vacuum that is going to where it is supposed to. Everything is capped off or in the worst case not capped off and the old finger over the line made the motor run! LMAO!!! Anyways, I was hoping someone could help with a good vacuum diagram for a 71 with BB and AC???

I appreciate the help with this one!

**truckster** · 11-27-2012, 11:22 AM

Here's a link that might help with the A/C.

http://67-72chevytrucks.com/vboard/s...ad.php?t=76770

I checked Chiltons and ARRC online and they only have diagrams back to 1977.

11-27-2012, 11:06 AM	#1
tex_waco_usmc Project Heaven in my 67!!! Join Date: Jan 2009 Location: Bosqueville, TX Posts: 899	Vacuum help on 71 w/ BB Working on a 71 and got the motor fired up and running and realized that there really isnt any vacuum that is going to where it is supposed to. Everything is capped off or in the worst case not capped off and the old finger over the line made the motor run! LMAO!!! Anyways, I was hoping someone could help with a good vacuum diagram for a 71 with BB and AC??? I appreciate the help with this one!

11-27-2012, 11:22 AM	#2
truckster Senior Member Join Date: Jan 2001 Location: Orem, Utah Posts: 7,953	Re: Vacuum help on 71 w/ BB Here's a link that might help with the A/C. http://67-72chevytrucks.com/vboard/s...ad.php?t=76770 I checked Chiltons and ARRC online and they only have diagrams back to 1977.

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