Posting yet again about the same car ('75 plymouth duster w/ 400 big block, 727 auto, 8.75" rearend, Holley 4160 600cfm vacuum secondary carb, mild cam of unknown specs). Just about have the engine sorted out now, with the exception of a hesitation when I punch the gas. The car does not hesitate under light throttle application and also does not hesitate if I give it a little gas and then stomp on it. It only happens when I give it moderate to heavy throttle from idle. I want to suspect the carb, but I am still learning and don't have a whole lot of tuning experience yet, so any suggestions would be helpful. Could a rich/lean condition of the accelerator pump be causing this condition? Thanks for the advice!
- posted
17 years ago