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03-24-2012, 11:02 PM
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#1 |
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Always a work in progress
Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
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Vacuum source for power brakes
Where are you getting it from? Can I use the port on top of the intake?
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USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168 |
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03-25-2012, 09:43 AM
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#2 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: Vacuum source for power brakes
Its on the back of the intake on the drivers side. If your engine originally had hydroboost then there will be a black plug in it. You need to push the red part in while pulling the black plug out, then replace with the hose nipple for vacuum brakes. You can get the nipple from the dealer for a couple bucks.
Posted via Mobile Device
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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03-25-2012, 09:56 PM
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#3 |
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Always a work in progress
Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
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Re: Vacuum source for power brakes
What is the port on the top for? Just for my knowledge.
Do you have a part number for the nipple?
__________________
USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168 |
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03-26-2012, 09:32 AM
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#4 |
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Registered User
Join Date: Nov 2011
Location: Idaho
Posts: 857
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Re: Vacuum source for power brakes
Gm part#12559760
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03-26-2012, 11:39 PM
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#5 | |
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Collector of Projects
Join Date: Apr 2003
Location: Las Vegas
Posts: 3,106
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Re: Vacuum source for power brakes
Quote:
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03-26-2012, 11:43 PM
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#6 | |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: Vacuum source for power brakes
Quote:
Maybe you ans Softballnrd27 could arrange a swap? You both have what the other needs. 
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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03-27-2012, 08:48 AM
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#7 | |
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Always a work in progress
Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
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Re: Vacuum source for power brakes
Quote:
__________________
USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168 |
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03-26-2012, 02:33 PM
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#8 |
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Always a work in progress
Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
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Re: Vacuum source for power brakes
What goes to the port on top of the intake?
__________________
USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168 |
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03-26-2012, 04:37 PM
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#9 |
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Registered User
Join Date: Nov 2011
Location: Idaho
Posts: 857
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Re: Vacuum source for power brakes
Can you be more specifi which port your asking about post a picture so we can help you
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03-26-2012, 09:25 PM
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#10 |
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Always a work in progress
Join Date: Jun 2007
Location: Harker Heights, TX
Posts: 1,599
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Re: Vacuum source for power brakes
I guess that would help huh? I will take a better pic of it tomorrow. It's right in the middle of the intake on top comes out at a 90* angle.
Posted via Mobile Device
__________________
USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168 |
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03-26-2012, 10:12 PM
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#11 |
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A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,921
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Re: Vacuum source for power brakes
Sounds like PCV to the driver valvecover...
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03-26-2012, 10:35 PM
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#12 | |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: Vacuum source for power brakes
Quote:
__________________
My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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