Well...not the adjusters, checked them earlier in the evening. Also put a different distributer in it just to make sure it wasn't the pick-up coil. Rechecked the firing order, and all the plugs/wires. No broken parts under the valve covers - everything looks great and new.
Hmmm...bangin my head against the wall one more time. It did start doing it in my shop while in park, but only while revving the motor.
Any other ideas would be greatly appreciated.
Thanks again!
John T.