Please help, any advice?

The fact it is intermittent makes this problem less, though not entirely, unlikely but it sure sounds like a vacuum leak to me.

Vacuum leak=lean mixture=need to enrich (via choke).
 
I'm with Tiny and Ron...find someone close by who'll loan you a carb from a car that runs well. That will sharpen your focus a lot. Good luck and remember that troubleshooting is FUN!
 
Just a thought. Be sure your gas cap is venting properly. Sometimes the cork gasket around the inner rim covers the vent holes as they compress. I trimmed mine back a fair bit to clear the holes. I check it regularly as it can rotate when tightening down the gas cap. These fuel systems work on gravity alone....
 
I'm thinking the test w/ the known good carb is going to tell the tale.At least it will cut the options down a little. Hope he has the day off to get it done tomorrow.
 
Also, check ground to from battery to frame to be sure it is a clean connection. Fuel and electrical issues can mimic each other. I have been there.....
 
I know this is an old thread that died....just wondered if the car was ever fixed and what was the solution? It might help somebody else down the road.
Thanks
 
I am going to side with the condenser crowd. We had the exact same symptoms on my Dad's Tudor. Bout drove us nuts. Then it would be fine. Then it would do it again. Finaly he blew his exhaust sytem up and called me for help. After cleaning the carb six times, going through the fuel system and all the usual suspects, I grabbed my spare distributor and headed out to where he was stranded. Popped it in and she ran like a top. Once home he swapped a new condenser in his original sparker and after six weeks of fooling around with everything,( ignition,points, coil, gas cap, etc) all was good. I had asked him to try another condenser and he said he had.........another old repop one with what must have been the same issues. Since then we are both packing brand new and tested units for an emergency. It can't hurt to try right?
Hope it helps, Cheers!
 
ctvpa said:
I work long hours during the week, I will change the carb this weekend and post an update. I did have time to put a multimeter on everything and it checks out. But remember I could not check things during the event, because I can't just catch it.

I thank you all for your input. I will keep you updated.
Click to expand...

Three weeks ago you were going to switch out the carbonator from your working Model A to this problem car. It would take less than 30 minutes to switch out the carbonator and distributor from your working Model A to this one. Why not do that and let us know what happens. Bill
 
If it were me I would use a little pony tank fitted into the engine compartment and bypass the stock fuel system completely. Borrow a known working carburetor and do a little driving. It would be a big help to eliminate the fuel question from the electrical question. Sometimes finding out what it isn’t is a huge nudge in the right direction.
 
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