Tuning Question

[72SB]

^^^this

unfortunately the Crane adjustable VA and detent plate are no longer available. There may be another brand of adjustable VA but you would need to go the home made route on detent to limit the amount of advance the VA provides

This is the Crane VA with the detent plate installed. You need to set, test, repeat as needed to get it to limit the amount it needs based on your timing light/damper readings. Each notch makes a difference in the amount of travel the arm can move