--On Fri, Apr 12, 2019 at 9:30, 62-65-mail-list-club@xxxxxxxxxxx<62-65-mail-list-club@xxxxxxxxxxx> wrote:A guy I know tried to put a crankshaft pulley from a 1961 361 "B" engine on a later 383 "B" engine (1968 I think) and theresult was as shown in the photo. One bolt mis-aligns.Does anyone know why Chrysler would create 2 different bolt patterns for the same "B' big block series of engines?Thanks,Gary H.--You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group.To unsubscribe from this group and stop receiving emails from it, send an email to 1962to1965mopars+unsubscribe@xxxxxxxxxxxxxxxx.For more options, visit https://groups.google.com/d/optout.