The forged steel cams from the 216's and early 235's used a different distributor gear material than the later model 235's with a cast iron cam. I believe only one type of replacement gear was offered by GM to service all the distributors, regardless of age.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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