It's one of the small block electronic ones from trailbeast with the advance limiter plate....
I'm still not sure what curve we want... I have a suspicion that we may have gone too light on the springs, but that combo is what worked on my 68 340 cuda... However, my 68 340 had a more aggressive cam (484/284 MP) and Eddie's is a little milder than that...
We were also idling at 1000 and I had my 340 Cuda idling at 800 RPM... Eddies will idle at 800 RPM, but we couldn't get that far in the tune... Maybe we had already used up the advance by 1000....