Quote: give it more initial timing and shorten the slots in the dist.
Most BB configurations will like more initial timing than just 10*. You will probably find going to 16* (or more) initial will help tremendously here. Unfortunately, this is going to make the motor more likely to ping at higher RPMs (with your hi compression) so as Challenger said, you will need to shorten the slots on the distributor to stop it from advancing too far.
Other than that, you could try higher octane fuel and/or a more agressive cam but the distributor fix should be the easiest way to start fixing this problem!
