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Holley 2140 & 4000

  • Holley 2140 & 4000 Accelerator Pump

    How the Accelerator Pump Circuit Works As the pump returns to it’s top position, the suction of the pump and...
  • Holley 2140 & 4000 Build Sheets

    MAKE BUILD SHEET AUTOCAR 490A R-1448 1955 MERCURY 292 M-201 1956 FORD THUNDERBIRD 292 & 312 SHEET
  • Holley 2140 & 4000 Check Balls

    I have an original 1955 T-bird carburetor that has been serviced many times through its life. I am in the...
  • Holley 2140 & 4000 Choke

  • Holley 2140 & 4000 Dashpot

    A dashpot is used on vehicles with an automatic transmission, or power brakes.The dashpot is an anti-stall device, used to...
  • Holley 2140 & 4000 Identification

    Holley 4000 Identification – The carburetor number is located on the back side of the carburetor on the face of...
  • Holley 2140 & 4000 Idle

    Rough Idle? Adjust the idle mixture screws. Check the idle mixture screws for damage. Any grooves or bending in the...
  • Holley 2140 & 4000 Rebuild

  • Holley 2140 & 4000 Troubleshooting

    Spring Loaded Needle & Seat The type of needle & seat which works with the spring-loaded retention system is no...
  • Holley 4000 Jets

    MAKE YEAR MODEL CARB NUM PRIMARY JET SECONDARY JET METERING ROD SIZE FORD/MERCURY 1955 292 POWER PACK ECJ-C 0.053 0.078...
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