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carb tuning

  1. Backfiring thru carb, won't idle

    Classic Tech
    Hi all, 66 coupe, 289 bored .030 over, mild Edelbrock cam with Edelbrock lifters, intake and 500 cfm carb. Has probably 2k miles on the rebuild if that. The car sat for the better part of a year in my garage while I did work to it, installing an electric fuel pump, subframe connectors, disc...
  2. carburetor recommendation for a 1967 Mustang 289 Motor

    Classic Talk
    I have a 1967 with a 289 engine. The factory 2-4 needed to be rebuilt. We were told it would cost just as much for a new Eidelbrach 1406, so that is what we had installed. It is not at all fuel efficient and I need to know what we should replace it with. Should we go back to the factory Holley...
  3. Setting up my MSD Distributer

    5.0L Tech
    Need some help with setting up my distributer. I have .040 over 302 with Edelbrock Victor Jr heads and a Victor Jr Intake. Running a ProForm 750 Carb. Trying to tune my MSD Billet Dist for 1/8 mile. My initial setup was to put the softest springs with the smallest stop. I am experiencing a...
  4. Carburetor jet increase after Cat removal

    5.0L Tech
    A few years ago my 1982 Mercury Capri with 302 V8, Motorcraft 2150 2V carb and single exhaust became no longer subject to emissions inspection. I removed the air pump and associated hardware. Walker no longer makes the original exhaust replacement parts so a year or so ago I had a custom dual...
  5. carb tuning holley 750

    5.0L Tech
    ok so heres the troubles...i have a 750 holley 4bbl on me car. under hard throttle until about 3500 to 4000 rpm it cuts outs...its a pain to get it goin ini the morn also.. im new to the hell do i get it to run better?