Posted by Russ Sciolino on April 27, 2000 at 22:53:27:
I have a 1963 WM300 and it looks like the engine might have been switched with another PW engine. Does anyone know how to identify a 230 or 251 ci 6 cyl? The only marking I found was stamped in the front of the engine and is "P25" Please help if you can