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04-08-2005, 02:05 PM
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#1 |
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Registered User
 
Join Date: Aug 2001
Location: Rocky Mount, MO
Posts: 1,293
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Quadra Jet Vac port hook up ????
I recently had my quadra jet rebuilt and took the Edelbrock Performer Intake and 1406 off. When hooking it up we put the vacuum advance on the small port on the right front when looking at the motor. We put the PCV on the big port front middle, and the brake booster on the big vacuum port on the back center. What hooks to the vacuum on the left side slightly in front of the choke? Is everything else right?
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04-08-2005, 02:33 PM
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#2 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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That goes to the hot air door in the snorkel of the air cleaner.
__________________
Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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04-08-2005, 02:37 PM
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#3 |
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Registered User
Join Date: Feb 2002
Location: illinois
Posts: 78
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On my qjet, the port on the left side went to the vacuum modulator on my TH350 transmission. But my qjet came off a 1978 454 so the ports may be a little different. Everything else sounds right.
Oh yeah, there is another port just below the vac. advance port for the air cleaner. Or maybe they were the other way around, i can't remember.
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-Guff 1969 C10 LWB, 350, 700R4, 3.73 gears Last edited by Guff; 04-08-2005 at 02:39 PM. |
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04-08-2005, 02:54 PM
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#4 |
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Go Vols
Join Date: Dec 2004
Location: TN
Posts: 30
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On my 72 the vacumn advance hose went to the left front, a hose from the fuel vapor cannister went to the right front and the PCV line went to the larger port in the middle, there was also another hose from the fuel vapor cannister that was T'ed into the PCV hose.
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When you have to shoot, shoot don't talk. |
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04-08-2005, 03:03 PM
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#5 |
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Registered User
Join Date: Aug 2001
Location: Rocky Mount, MO
Posts: 1,293
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The one labled Transmission Modulator in the above pic. I have a standard 4 speed. Does that one go to the air cleaner snorkel?
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04-08-2005, 04:57 PM
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#6 |
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"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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It does on my 71 and all the others I have had.
FYI.....My transmission modulator is connected to a T on an intake manifold runner behind the carb. It also supplies vacuum to the power brakes.
__________________
Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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