Originally Posted by Magnumguy
It only does this at idle after it's been ran awhile. I started it to move it today and ran smooth as snot off a doorknob.

Someone locally suggested the ballast resistor. It has a dual one as it was converted to elect. ign. years ago. Long before I got it


Did you try to slightly choke it when it is acting up to see if it wants to smooth out???????