most of the problem is the new gas it is lead free and made of ethenol or a precentage of ,,,not enough octain and our cars will not run well with it ,,, --- On Wed, 12/16/09, Dan McCormack <mcwheels@xxxxxxxxxxxxxx> wrote: > From: Dan McCormack <mcwheels@xxxxxxxxxxxxxx> > Subject: Re: 383 running rough? > To: 1962to1965mopars@xxxxxxxxxx > Date: Wednesday, December 16, 2009, 8:55 AM > > Jim, You say it's cold and I wonder if your not > experiencing carburetor icing. This was a problem even when > these cars were new especially in cold damp weather. The > damp air rushing down the carb will actually form ice > crystals in the carb and make it idle and run rough. Next > time try restarting the car after sitting about 5 minutes > and the engine has time to heat soak. If it clears up I'll > bet that's your problem. You'll note in later years Mopar > started using air cleaners that sucked in warm air from the > exhaust manifolds during warm up to help with this problem. > Another thing that will help is adding a can of dry gas to > the tank. We get so used to today's cars with fuel injection > we forget about all the winter problems of starting and > warming up a car in the old days. > > Dan > > > > ----- Original Message ----- From: "Gary H." <spigot2039@xxxxxxxxxxx> > To: "1962to1965mopars" <1962to1965mopars@xxxxxxxxxx> > Sent: Tuesday, December 15, 2009 5:12 PM > Subject: Re: 383 running rough? > > > > Thanks Steve. > > My carb is a 1965 Carter AFB 3858S. Do you have spec > info on that? > > Again, I'm no expert. But I'd have thought anything > choke related > would clear up after the choke opens all the way. The > first time I > ran it, it cleared up after 10 minutes; I think long after > the choke > would have opened full. The second time after > starting cold, it ran > rough for 5 minutes before I shut it down. > > I'll try again tonight since it's a little warmer and I'll > pay closer > attention to the choke. > > Maybe it's too rich to start with? Is there anything > other than the > choke that could cause it to 'miss', and then get better as > it gets > warmer? > > - Jim > Jim Altemose, Long Island, NY > > > ---- > 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. > > >