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fuel pump without vacuum assist

Posted By Dave V 11 Years Ago
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Dave V
Posted 11 Years Ago
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As far as contaminants from the tank, I do have an inline filter just before the fuel pump. Do you feel another one is still needed after the pump?  Dave

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GREENBIRD56
Posted 11 Years Ago
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This may be that bugaboo with the Holley - Viton needle and seat sticking in the "new" gas. In that case, a change to the steel needles - listed for alcohol - will help a lot. While they flow more fuel due to the upsize, the standard float will easily seat them.

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 Steve Metzger       Tucson, Arizona
Dave V
Posted 11 Years Ago
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Tried again to keep the Fe pump setup. I replaced the needles and seats in the carb, ordered another Holley pressure regulator and installed it. Does not adjust at all. 8psi no matter where I adjust it. I didn't run it long enough for the carb to flood. Got online and checked reviews on this regulator. Not good. I'm undecided now whether to install a Y-block fuel pump or an- other brand of regulator. Dave V

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GREENBIRD56
Posted 11 Years Ago
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Are you sure of your pressure gauge? Just a thought. I'm running the 428 "police" spec pump - but with an AC GF62 filter between it and the carb. When I had stability problems with the float setting - I changed to the alcohol (steel) needle / seats. That fixed the stability problem and now its reliable.

If you run your set-up at idle - with the Holley bowl sight plugs open - will fuel levels stay where you want them?  Just wet the lower threads is the old rule before the new windows came out .

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 Steve Metzger       Tucson, Arizona
Dave V
Posted 11 Years Ago
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Steve   I have changed gauges to confirm the readings. Still shows 8 psi. Researched online for other fuel pressure regulator reviews and havn't found any that had all good reviews. The Holley carb is the cheaper version without fuel level sight holes or external adjustable floats. I removed an old Y-block fuel pump from my old engine last night and will install it today without a fuel pressure regulator. I'll let you know how it works.  Dave V.

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pegleg
Posted 11 Years Ago
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Dave, Summit racing lists there own regulator, I have one on my F code, been working correctly for 5 or 6 years. The holley version was junk.

Frank/Rebop

Bristol, In ( by Elkhart) 


MoonShadow
Posted 11 Years Ago
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Ditto Frank. I've had several of the Holley regulators and never found a way to make them work. Maybe that's why they are online kind of cheap. I went to an Aeromotive unit and all has been fine for a while. Chuck

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ecode ragtop
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Frank,I orded 2 of the summit brand regulators, came in a white box with a summit part number . In side was a holley regulator with Holley cast into it! We all know that summit does not make thier own parts, but that is what I received. Tom

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Dave V
Posted 11 Years Ago
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I removed the FE fuel pump and pressure regulator, installed my old Y-block fuel pump with vacuum boost and the engine runs great with a steady 4.5 psi gauge reading. Just hope the carb keeps from flooding now.  I'll be happy if it stays working with this setup.  Dave V.

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GREENBIRD56
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That business with the flooding carb - especially with the "new improved / no adjustment" Holley float arrangement --------- seems pretty spooky to me. Must be OK when used with reduced or lower fuel pressure tho.




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 Steve Metzger       Tucson, Arizona


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