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03-24-2011, 12:17 AM
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#1 |
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Registered User
 
Join Date: Feb 2011
Location: Modesto, Ca.
Posts: 22
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underbed fuel sending unit
I have a 72 swb fleetside small block with automatic. I'm trying to purchase a new under-bed fuel sending unit. the unit i took out has only one fuel pickup line. My search of replacement sending units have two lines, A pick up and a return line for that year.
Could someone out there explain the reason for a return line? Since buying the truck a few weeks ago, the gas guage was one of the problems with the truck. |
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03-24-2011, 10:18 AM
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#2 |
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Restoration Virgin!
Join Date: Jan 2008
Location: Huntersville, NC
Posts: 8,298
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Re: underbed fuel sending unit
ttt
__________________
Geoff with a G 1968 Chevy C10 SWB The Mistress 1972 Custom Deluxe C20 Suburban A Suburban Named Isabella 1966 Ford Mustang Mama's High School Graduation Present |
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03-24-2011, 12:34 PM
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#3 |
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Account Suspended
Join Date: Sep 2010
Location: hingham ma
Posts: 1,721
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Re: underbed fuel sending unit
return line, keeps the fuel moving, less chance of vapor lock..
instead of the fuel sitting at/in the pump beside a hot engine and exhaust waiting for it's trip to the carb. it flows back to the tank keeping the fuel cooler |
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