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  1. Bl1zzard

    Holley 750DP idling issue since rebuild

    I have a 1974 Swinger with a 360 bored .030" and a Edlebrock intake. I have a Holley 750DP that I've rebuilt twice now. The first time, I screwed around with the setup and installed a power valve on the secondaries and opened the secondary idle a little. It ran way too rich and idled poorly. I...
  2. Bl1zzard

    What do you think happened?

    We drove the car to the last car show of the year and when we got there it was idling ~about 3000 RPM. It's been fine all summer and I haven't touched it. I have to back off the throttle cable adjustment almost a half inch to settle it down to normal. How on earth did I lose almost a half inch...
  3. Bl1zzard

    Running great one day and next it stalls every time I hit the gas too hard

    1974 Dodge Dart Swinger with a fresh 360 LA, Holley 750DP, Edlebrock intake, stock ignition. So on Saturday, I went for a boot on the back roads and had a great time doing burnouts at every intersection. The car was responsive and doing exactly what I wanted it to. I had a blast. On Sunday my...
  4. Bl1zzard

    How do I identify my mechanical fuel pump?

    My 1974 Dodge Dart was originally a /6, now it's a 360LA. The PO reused a lot of parts and I'm wondering if my secondary stumble is caused by lack of gas from the mechanical pump. Is it possible the PO used the pump from the /6 with the stock 2 bbl carb and it's unable to feed the AFB 4 bbl...
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