After I installed my LMC motor, it wouldn't work right no matter I did. I stared at the action for a long time and concluded the passenger side arm was too short for the new motor.
I cut the arm and attached it to an adjustable extender I made. All I can say is "It works just fine."
34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.