Unhook the pcv line from the carb, plug the port.
Try it again.

Power brakes? Could be a leaky diaphragm.

If it has really weak springs in the distributor, it might just have so much timing it’s keeping the rpm up.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads