SORRY FOR THE CONFUSION!!!!
I just noticed that I was typing in 53 as the year, it is a 50-52 (one site did narrow it to 52 by the start of the SN)
Sorry for the confusion!!!
So its a 52 truck truck motor, insert bearings for the crank, babbit for the rods, low oil pressure (aka the dippers).
I need a break.. all these numbers are confusing me.