Re: [Chrysler300] 62 Sport problem

My F was doing the same thing. Didn’t bother compartmentalizing the problem as the car hadn’t been tuned in several months. (turned out the problem was older plugs and a couple of burned wires that were likely arcing under load, I think).

The shop used spec recommended Autolite A32’s, so I’d change those, a new set of wires from Lectric Limited $75, www.lectriclimited.com, new set of US made points and dual point condensor from NAPA. Set the timing to 10 degrees and voila. Runs like a champ.

Then gave her 50/50 leaded 110 to go with the non-ethanol Shell 91 we have here in southern CA and she ran even better. ($1/mi fuel cost but what the hay for a tank every once in a while).

On Oct 28, 2018, at 2:36 PM, doug warrener 2HsandaHeritage@xxxxxxxxxxx [Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

Hi Group,
I need some expert input on my 62 sport conv misfiring or "stumbling". The car has the standard 413 and I have added the dual AFB's and a dual point distributor.
One year ago driving to and from the Ironstone Concours in Murphys, CA ( about 80 miles away) I experienced severe misfiring.
Pulled all the plugs and found #2, #6 & #7 fouled with carbon deposits ( #2 by far the worst).
Replaced the plugs and thought the problem was solved. This year, drove to local shows and around my neighborhood with no problems.
The trip to the Ironstone Concours this year resulted in the same misfiring problem.
Pulled all the plugs and only #2 had any carbon deposits.
Checked the compression and all cylinders at 150 +/-.
Checked and set point gaps, replaced the wire to #2 plug.
The engine runs ok with no load, but still misfires or "stumbles under load and at high speed.
The new plugs that I installed last year are Autolite A42B's which I believe are correct. However they may be 30years old or older. The cap and rotor are only a year or two old.
Could a defective coil cause the problem?
Thanks,
Doug Warrener