1966 428 engine that is for sale on ebay. This is the engine running, at the back of the car before removal. Cylinder block is a C6ME 428 , date code as 6E28,,,,,, breaks down as MAY 28 1966. Also has the letter A cast srcatched into back of block, near dvr side cylinder head. see pictures . This engine runs excellent and will great oil psi warm.