Fact. It takes a long time to sort out a timing curve. Then getting the distributor to do what the engine wants is another story.
Most engines I see want a bunch of initial, almost no advance through peak torque and then a curve to peak hp. Quick curves and locking them out generally kills power at and around peak torque.
Agreed. Once you find timing that makes max hp, you can pull several degrees at max torque without reducing output and then ramp low rpm up to max torque timing. Not happening with just centrifugal advance.
