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idle speed

  1. Drivetrain & Performance
    Hey guys So yesterday I swapped out the stock intake and single barrel on my 72 250 for a offy intake and Holley 390 carb The first time I started it, it was idling at 3000 rpms so I started adjusting and now it’s the mixture screws at 1 turn from snug (any closer to snug and it won’t stay...
  2. Drivetrain & Performance
    i just ditched the leaky stock one barrel carb and installed a weber 32/36 progressive carb. been tinkering with the it off and on the past week. seems like it's idling kinda high. it's a stock I6 194 does anyone know the idle speeds? high (choke closed) and low speeds?? thanks!!