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Old 07-31-2006, 10:55 PM   #1
chevydog66
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Heater hose routing?

How is the heater hose routed on a 72 GMC truck with A/C, and 350 sbc? I'm talking about the heater hose that comes off the intake manifold, and goes to the heater valve. Does it go over or under the A/C compressor?
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Old 08-01-2006, 12:38 AM   #2
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Re: Heater hose routing?

Pic I have saved . Maybe it will help
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Old 08-01-2006, 12:51 AM   #3
68 50th
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Re: Heater hose routing?

Here'a a pic from the 1972 Truck Service Manual showing the same routing as the pic Solver posted but from another angle.
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Old 08-01-2006, 02:54 PM   #4
chevydog66
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Re: Heater hose routing?

Ya, I seen those pics in the Service manual, but I don't agree with them. It looks like it would be better to run it under the compressor. I'm undecided.
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66 Chevelle Malibu 406ci, 573hp, 10.99@121mph
96 Chevy Silverado Z71
72 GMC 1500 Super Custom LS 6.0/4L65 on airride

http://www.cardomain.com/ride/707879...mc-c-k-pick-up
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Old 08-01-2006, 10:11 PM   #5
epthree04
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Re: Heater hose routing?

i dont think thats an option. the top hose would kink or be at such an angle. i think over the compressor is the only way!
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Old 08-01-2006, 10:13 PM   #6
chevydog66
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Re: Heater hose routing?

I might just get a nice stainless 90* fitting and install it in the intake maniold.
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66 Chevelle Malibu 406ci, 573hp, 10.99@121mph
96 Chevy Silverado Z71
72 GMC 1500 Super Custom LS 6.0/4L65 on airride

http://www.cardomain.com/ride/707879...mc-c-k-pick-up
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