The Stovebolt Site Forums The Shop Area Engine Shop 68 250 6cyl. Dist.

I don't know what year HEI came out, but I've got a HEI in my 235 that came out of later 250. My other "79" 250 has an HEI in it. There is a tech tip on this topic. They wire up the same way as the original dizzy, but you can eliminate the ballast resistor.