M1 Single Plane Question

Yes sir, I have an ATI degreed balancer. But every since I read the directions about my MSD 6AL-2, it said not to use a dial back to 0 light, so I will need to find a non digital conventional timing light. But by gauging the strap on the plugs, I'm pretty darn close. I will reset the timing and then try the new boosters I just ordered from Summit.