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Old 11-25-2013, 06:31 PM   #1
geemac
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Join Date: Apr 2007
Location: Huntsville, Alabama
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Question 72 Suburban Build

72 Burb with a transplanted Cadillac 500/THM 400. Had some fuel starving problems this summer...new mechanical pump, dropped and cleaned the tank, blew out the lines and replaced the pickup/sending unit.

The 40 year old sending unit has a supply and return line from the original 350/THM 350. I could only find a single pickup tube replacement, but the tank has 2 other 3/8 hose barbs in what appears to be a vent system. Wonder if I can use these for the return line? (Caddy 500 pump needs a return line).

Anyone seen anything like this? How about a service manual diagram for the fuel line system? Different for the C10 72 Burb vs a truck?

Thanks in advance if someone can help! Glenn (geemac)
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Old 11-25-2013, 08:31 PM   #2
Bigdav160
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Re: 72 Suburban Build

I posted a drawing in this thread
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My Classics:
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'73 Z-28 Camaro
'63 Ford SWB Uni Pickup
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Old 11-26-2013, 03:14 PM   #3
geemac
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Re: 72 Suburban Build

Thanks! Helps alot!
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