Originally Posted By cdp
I have a late 71 block with a 71 VIN, standard bore. Never was sure of the application or assembly date, or if it was A or E-body.

VIN: 1B4525**

1-27-71 cast date.



That is interesting and makes sense. My 1-19-71 block is matching numbers and my VIN: 1B452494

1971 Sassy Grass Green Duster 340
2006 Charger Daytona GoMango