Fuel line check valves?
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Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Fuel line check valves?
What your opinion on fuel line check valves? Revamping the fuel system front to back and was wondering if there’s a benefit to running a check valve on EFI system?
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Joined: May 2015
Posts: 1,154
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From: Temecula, CA
Car: 1989 Pontiac Formula 350
Engine: L98
Transmission: 700R4
Axle/Gears: BorgWarner 3.27 Posi
Re: Fuel line check valves?
Not needed with modern pumps. They pressurize in less than a second.
Thread Starter
Joined: Dec 2000
Posts: 2,341
Likes: 151
From: Cincinnati,Ohio
Car: 1991 BandittII Firebird
Engine: 5.7 HSR
Transmission: 700R4
Axle/Gears: 3.27 9 bolt
Re: Fuel line check valves?
I did not know that Walpro in-tank pump already have a check valve on the outlet.
From: Auto Performance Engineering
"All of the Walbro in-tank pumps have a check valve
in the outlet of the pump."
From: Auto Performance Engineering
"All of the Walbro in-tank pumps have a check valve
in the outlet of the pump."
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