I would put a reliable tach in the car to watch. The only other issue I could think of might be a rotor phasing issue or an issue with the pickup in the distributor.

You don't have solid core plug wires too, do you?

Last edited by GTX MATT; 01/17/14 07:52 PM.
Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street