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Old 12-14-2011, 05:08 PM   #1
Groyd
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Fuel filter problem

LS swap 5.3 from an '04 sierra.
I'm running the walbro 255 fuel pump from a camaro tank into a corvette filter. I've got fuel going into the filter and out the return, but no output to the engine. Any ideas? Did I just get a bad filter? I've tried googling this specific problem and found absolutely nothing. Any help appreciated.

-MG
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Old 12-14-2011, 06:47 PM   #2
Groyd
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Re: Fuel filter problem

I'm an idiot. I assumed the larger diameter inlet was the fuel in. Turns out it's the return/vapor and the fuel in is the smaller diameter line. I switched the AN fittings and problem solved, I now have fuel!

Better news. . .she's alive and sounds like an old school hot rod.
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http://67-72chevytrucks.com/vboard/s...d.php?t=406072
1957 Chevy 3200
1971 2WD Blazer - Sold
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Old 12-14-2011, 08:02 PM   #3
HavinSomeFun
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Re: Fuel filter problem

Quote:
Originally Posted by Groyd View Post
I'm an idiot. I assumed the larger diameter inlet was the fuel in. Turns out it's the return/vapor and the fuel in is the smaller diameter line. I switched the AN fittings and problem solved, I now have fuel!

Better news. . .she's alive and sounds like an old school hot rod.
SWEET! I just fired mine up for the first time last Friday... Feels good doesnt it?
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