Originally Posted by
Skitee
I would start with the 4 dot timing insert which is -10 since this motor has so much timing advance built in from the factory, this will help to ensure that you're not over timing things. Then slowly work up on the supercharger punch and supercharger delay settings, if you get it going ok like that then move to a -5 insert on the motor.
Would agree there sounds like a over timmed issue