ENGINE ##'s Help

[65WaxUcuda]

Would anyone tell me what type of engine this is on the block the cast number is 2465330-2 on the other side of the block it says 11-3-64has to be the date! well thnx mopar guys much appreciated for your time!

 

[Mrmopartech]

Thats a 64-66 273 LA motor,Mrmopartech