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Old 08-15-2006, 11:58 AM   #1
74Chevy74
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Fuel Cell Questions.... Return Line???

I just got an RCI fuel cell and had a few questions to see what has been done. It has 3 ports:

Fuel Feed
Rollover Vent
Return line

I know what to do for the feed and rollover vent, but what can I do with a return line? I have a new Edelbrock manual fuel pump and it has only 1 input and 1 output so can I plug this return line? My truck is a 74 with no smoq requirements and I have a ZZ3 crate motor.
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Old 08-15-2006, 12:19 PM   #2
79BIG10
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Re: Fuel Cell Questions.... Return Line???

Yes you can plug it off. I used a bolt and a clamp on the return line for my fuel pump. You should be able to do the same thing for your sending unit.
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Old 08-15-2006, 10:15 PM   #3
84slopwaggin
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Re: Fuel Cell Questions.... Return Line???

Thanks I needed this info, as well. I have a ac delco fuel pump that only has 1input/1output. I have duel tanks on my gmc.
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Old 08-17-2006, 04:19 PM   #4
piecesparts
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Re: Fuel Cell Questions.... Return Line???

To solve a fuel heating problem with my Edelbrock pump, and since I had to put the different bottom inlet and outlet plate on the pump base; I put a ported fitting in one of the outlet holes and I am returning a small portion of the fuel to the tank. This seems to have solved the fuel vapor binding in the carb feed line and keeps the fuel pump cool.
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