I think I was mislead when I ran the number as a "VIN". it jumped right to 46 just like you have for the PK. this is where the confusion started.
it is definitely a 47-55 body style. it was sold as a 51 but has the push button door handles that started in 52. I'll have to look tonight for the number behind the distributor. the block number I found was all the way to the front on the distributor side.
