Thread: Plumbing fuel line
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08-23-2010 03:05 PM #1
Fuel plumbing
Thanks for all the input.
I talked to Holley tech support for additional info.
1. They said I require a 80-100 micron filter between the fuel tank and the pump.
2. The fuel pump has to be lower than the fuel tank.
3. A pressure regulator is not required for the Red pump.
4. They recommend an oil pressure switch and relay to shut the pump off when the motor is off.
The cross member that I was going to attach the pump is connected to the frame on each side with 4 bolts as per picture.
Again, thanks for the input,
Bob
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08-24-2010 08:30 AM #2
Holley Technician said I didn't need a return line for this setup (Red pump with Holley 600 carb).
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08-24-2010 08:42 AM #3
I was referring to a return line from the fuel regulator or pump back to the tank. Holley pumps will run hot and die prematurely if you don't run a return line to the tank. I had a red Holley pump on my '32--it lasted two years before leaving me standed. Fortunately, it was only 20 miles from home. I replaced it with a Mallory unit, and after five years, it is pumping just fine. The Holley unit was always hot to the touch while the Mallory unit is not. I would rather have run a mechanical fuel pump but I have a pinched frame and a mechanical pump will not fit.
Lynn
'32 3W
There's no 12 step program for stupid!
http://photo.net/photos/Lynn%20Johanson
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08-24-2010 10:20 AM #4
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08-24-2010 10:49 AM #5
A lot of guys on the Chevy Talk Performance forum won't use Holley pumps and prefer Mallory, Carter, or Aeromotive. Now the newer Holley gerotor design is far superior to vane design of older-style pumps. They are not as noisy and have a longer service life.
Lynn
'32 3W
There's no 12 step program for stupid!
http://photo.net/photos/Lynn%20Johanson
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08-24-2010 11:05 AM #6
I've never used a return line either. The one on my 27 was 7 years old when I tore the car down, and the one on my Jeep was 5 years old. The one on my 23 is now 3 years old, and none of them has ever failed. I do think I am going to go with a Carter on the next car, only because the Holleys can be noisy, some more than others. But open headers generally take care of that problem.
Don
In our neighborhood, 2 blocks down the hill was a gas station that (to me) all the cool car guys hung out there. 32 coupes, 33 & 34 Fords as well, a sweet 56 Ford Beach wagon that was setup gasser...
How did you get hooked on cars?