LA top end rebuild question
Using that lock collar works great. But you can perfect it even better if you put the oil pump drive shaft in a lathe and bore a slight recess in the gear. Then cut the exact step in the collar while tightened on the excact diameter shaft as the distributor. You do not have to go deep just 1.25 deeper then the recommended clearance. What this does is prevents side movement on the distributor shaft also. Just another helpful hint you may want to consider if using a collar. Now I am sure
"Yellow fish with no teeth just lips" has a better way so lets wait for the professional advise.
