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ls1 fuel sending unit.

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Old 09-04-2014, 09:02 PM
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Default ls1 fuel sending unit.

I'm working on a 67 nova. It's a ground up build. my issue is my fuel lines. I had an complete fuel tank from an 01 trans am. I made a alum fuel cell and cnc a mount for top of of it and inserted the unit in the top. Worked out really well. My issues is plumbing it. I know the feed line. But what are the other 3 lines. One appears to be the return. But I thought everything was built in to the tank. So how should my fuel line be ran. I saw a link to I believe vetted works where they came out of the feed then put a tee in it. The brand ran to the rail and the other one to the return pipe on tank. But the sending unit is different than mine. Mine has 2 lines that come out and shot left. One 3/8 and one is 5/16. Then 2 go straight and are 5/16
Old 09-05-2014, 05:14 AM
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Post a picture....the fuel bucket should only have 3 lines..fuel out, fuel in, and vent/evap (center)


Old 09-05-2014, 05:43 AM
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Here it is.

Old 09-05-2014, 05:44 AM
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That's how I was going to run it. But that has 3 I have 4
Old 09-05-2014, 07:02 AM
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That looks like a LT1 pump not an LS. I could be wrong, on the early LS pumps... If it is an LT1, the pressure will be too low.
LT1



LS1

Old 09-05-2014, 07:37 AM
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That figures. I find that out after the tank is done and painted. And ready to start.
Old 09-05-2014, 07:41 AM
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Thanks for the help. Always know what your looking at before you buy. Lol. At least it was gave to me. It's an exact match to that lt1. I'll have to buy an ls1 and make it fit.



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