How old are the spark plugs and the wires. That is the most common cause of problem you are talking about. Also could be carb not set right. My money is on the plugs or wires. ---- "Gary H." <spigot2039@xxxxxxxxxxx> wrote: > > > Any thoughts on the likely culprit for a constant engine miss when the gas pedal is to the floor? The stumble happens if you floor the gas pedal to access passing gear, as well as from dead stop. The car (318 poly - automatic) starts right up and has smooth acceleration at normal part-throttle gas pedal positions. > > Thanks, > Gary H. > > > ---- > Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! > > 1962 to 1965 Mopar Clubhouse Discussion Guidelines: > http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. > > > ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.