I will find thoes answers for you. I just bought the truck 3 weeks ago and i am not sure the motor size or year. It does say GM12 on it with some other numbers. I would imagine the distributor came with the engine. But this still begs the questions or statement that it ran perfect for the firast 45 miles i owned it, and then abrubtly quit. Thanks for your interest maybe we can get this figued out.

It's better to have it and not need it, then it is to need it and not have it. "Woodrow F. Call"