Crank but no fire

It’s a 65 Valiant, also running a MSD 6AL so no ballast resistor.
NO ****!!!

It is important to give out information so somebody can figure out what you are doing.

It is most likely you did not properly bypass the ballast, and are not getting voltage from the IGN2 "bypass" circuit. The IGN1 "run" GOES DEAD during cranking