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Q's...Poppet check valve in return line w/electric pump setup

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Old 03-19-2007, 05:37 PM
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Q's...Poppet check valve in return line w/electric pump setup

Alright....Got my poppet check valve in the mail.

Have an electric pump setup.

So I install the valve in the return line between the IP and the "T" fitting (by the rear of the engine).... right?

Then set it to 15-20 psi and turn the key and watch the gauge??

Or am I way off?

-Jason
Old 03-20-2007, 06:19 PM
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Depends on how big a pump you are running. A decent sized pump will cause too much backpressure in that 1/4" line. I suggest you run a separate return line, just tee into the filler neck vent line to dump the fuel back into the tank.
Old 03-20-2007, 06:48 PM
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Hey Dave, this is kinda related, so I'll post up here. I just plumbed in 3/8'' feed line from the tank to the LP. I had a bunch of 3/8'' left, so I replaced the several-times-spliced return line with 3/8'' as well. Do you think that would flow the return of an aftermarket (walbro) setup along with the stock return? Not that I have any fuel pressure at all presently to worry about
Old 03-20-2007, 06:53 PM
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As long as you tap into it after it goes to 3/8", I don't see why that would be a problem.
Old 03-20-2007, 06:58 PM
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Of course, I just got thinking about that weenie 1/4'' quick connect for the return at the tank....that prollly won't cut it
Old 03-20-2007, 07:03 PM
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I think its a 50-70 psi pump...

I used the stock 3/16 line off the IP to the "T" at the back of the motor. From there I have a 5/16 return line back to the tank.

Maybe I should ditch the 3/16 line also.....

Jason
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