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I have a 78 Travel Queen with a Dodge 440 motor. When accelerating from a stop it hesitates between shifting almost to the point where it wants to die. If I let up on the accelerator then it's OK. Can the carb be possibly flooding or Transmission module going out ? I'm at a loss where to start. Thanks in advance
Joe has covered the most common causes. You may also have a sticky power piston. Take the air cleaner lid off, start and run the engine, and using a mirror, (don't look down the air cleaner, if the engine backfires out of the carb you could get burned), observe the metal bridge across the top of the Thermo-Quad carb. It should rise up as you open the throttle and hold it steady. As engine ceases to increase revs, the bridge should settle back down. While you are at it, check the action of the secondary air doors, hitting the gas pedal hard should cause them to open, the roar of the incresed air flow is very evident.
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