I don’t think it is one or the other to me. I like fast cars for sure. But on the other hand, one of my pals had an early A with a slant and a three on the tree in really nice shape. I have got to say that it was a much fun to drive as a muscle car. Different old cars have their own charm.
Keep in mind that “better” is in often a very subjective thing. Depending on what your end use is and what your goals are, you can wind up spending a lot of money for something “better” that really may not matter much to you.
A few questions:
Did it ever crank over since the conversion?
Is this a Mopar electronic ignition conversion, or something else?
When you turn the key on, does the ballast resistor still get hot?
Sounds like there is no vacuum system operation. I am not very familiar with the 73 & up heat & ac, but there should be two vacuum hoses coming through the firewall. One should go to engine manifold vacuum to supply vacuum to the vacuum switch in the dash. That is a possible cause.
The dash...
With the engine on, when you move the lever from defrost, heat, ac, does the air flow change to different vents? Im wondering if your vacuum is hooked up and moving the actuators.
Keep in mind that you are sort of comparing apples and oranges with a 50 year difference in electronics.
Semiconductors dissipate a small amount of energy when turned on, and no energy when turned off. Most of the energy is dissipated (and heat generated) during switching when the device is in...