In Reply to: Re: Distributor Dust Cover posted by Gaspump on May 16, 2012 at 12:32:21:
Hi John. Yep, here's a factory TSB from 9/14/51 that talks about making them a standard component on distributors in 1951:
A follow-up TSB was issued on 10/15/51:
This is a lousy photo, but here's an original from my '52 8N - it's like the skinnier one that Kevin showed.
Original ones had alignment instructions as shown in this top view:
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