Quote Originally Posted by 1wild&crazyguy View Post
weather you need a ballast or not depends on the coil requirements.
In required cases it is so you don't over heat the coil.
That was my thinking. I guess that's were mfg tech support might be helpful. Although sometimes those people don't know the correct answer. Best bet is run ballast resistor to coil and full 12v to dist. If spark is good, that worry is over. Other than 1 more ferrin part to fail.