Couple issues on my new to me 65 dart…

Shaun65dart said

Did a few things yesterday. Put in new ngk plugs and removed the washer. Old plugs were autolite 66 with the washers on. New cap and rotor. Pulled distributor and moved the hold down plate to give more adjustment to the timing. It was at 2 degrees atdc and now it’s at 10 btdc. Runs really well now, much more power and starts right up. Only issue now is when it’s cold, it runs rough. Once warmed it’s very smooth

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Sounds like it needs more choke. This has the choke mounted in the intake with a rod connected to the carb right?

edit: I just noticed teflon tape on the fuel inlet. That can wreak havoc on your fuel system by clogging jets and sticking to fuel pump valves. Don't do silicone either, that's supposed to be a compression fitting as I recall.

"The carburetor fuel inlet brass fitting is stripped. The ID threads on the carb are what is actually stripped so not quite sure what to do here"
Replace if possible, having fuel all over your engine is going to make your cowl problems seem small if it catches fire