Forum Discussions about this Product

1. 

   10/30 track results for the 509.

   • 69-CHVL
   • Oct 31, 2009
   • Performance

   4 5 6

   101

   8K

   Jun 28, 2011

    by 69-CHVL
   1. 

      69-CHVL

      · Registered

      Joined Jun 1, 2003

      ·

      11,271 Posts

      Discussion Starter · #36 · Oct 31, 2009

      Only show this user

      Here's my pump, internally regulated. Anybody see this as a potential issue? States 110gph at 7psi. Its actually showing 6-6.5 on my gauge. Question is, if this is fuel related, is it the pump or 3/8 sender?
      
      http://holley.com/12-125.asp
      
      
      
      
      Features
      

      • Gerotor Design For Smooth Operation And Durability
      • Flows 125 GPH Free Flow
      • Flows 110 GPH at 7 PSI
      • Powers Engines from Stock All the Way Up to 700 Horsepower
      • 3/8" NPT Inlet & Outlet Fittings
      • Black Mil-Spec Nickel Teflon Hard Anodized Billet Base
      • Show Quality Chrome 12v Motor
      • Profiled Black Powdercoated Mounting Bracket
      • Laser Engraved Holley Logo & Inlet/Outlet Markings
      • Less Noise than Traditional Vane Pumps
      • 6 1/4" tall
      • Compatible with Gasoline or

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2. 

   Fuel Pump Woes...

   • 1971-Chevelle
   • Mar 19, 2021
   • Engine

   8

   2K

   Mar 25, 2021

    by 1971-Chevelle
   1. 

      1971-Chevelle

      · Premium Member

      Joined Jun 2, 2003

      ·

      4,173 Posts

      Discussion Starter · #4 · Mar 19, 2021 (Edited)

      Only show this user

      Both of those pumps are rated at very high PSI, so they would require a regulator. I don't kow if my regulator can handle it (I would prefer to lose the regulator and run a pump that is preset).
      I was thinking about the one below (because the ports are inline with each other - not really an 'inline' pump, but it could work), but people are saying it is too big to mount anywhere easily.
      
      

      Holley 12-125 125 GPH HP Fuel Pump

      Looking for a fuel pump that is quiet, stylish, powerful and dependable? Look at the Holley HP 125 and HP 150 series fuel pumps. The exclusive gerotor gearset quietly and efficiently pumps the fuel without the noise of traditional vane pumps. The chrome motor and trick powder coated bracket...

      www.holley.com

      
      
      So does anyone know why my regulator won't drop the fuel pressure down??

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