Originally Posted by jbc426
I had that issue. I added a 1/2" locking collar to the distributor shaft and it eliminated it entirely. I did use a dab of loctite on the threads, installed the collar loosely, bolted down the distributor to position the collar and the removed the distributoe to tighten the locking screw tight. Reinstalled it and set timing.


Does this work on SBs? Or is the collar only for BBs?