Yep ... it was the pin. Thanks to Jake and Mike for being so quick to respond - and to Doug for popping over!
Given that this seems to be a common "weak link" (I have a Motorcraft distributor converted to work with my MSD ignition system), I am now thinking it's time to upgrade.
Does anyone have any suggestions? I just sussed the summitracing.com site and see that several options are available. I need a new distributor with vacuum advance, adaptable to my MSD and has no clearance problems.
Thanks in advance ...
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