Posted by RDavis on Saturday, September 28, 2002 at 11:45AM :
In Reply to: Spitfire Engine question posted by Todd Somers on Friday, September 27, 2002 at 8:46PM :
Both My 64 WM300s have the original 251s that came in them.
The ID # is located on a cast protrusion forward ,upper drivers side of the eng. block.
Both mine start with (25-)indicating a 60s 251 for the WM300.