leong

I reciently bought a 1969 mustang and I am trying to see if the engine in it is the original one the tag # is 8d6 and the serial # is c8oE-6015-A any help would be great! thanks

DarcSystems

C8OE-6015-A is a 302 block from Cleveland from a 1967 289 or a 1968 or later 302 (check date code). There is no code stamped n the block itself that can be used to identify the cubic inch displacement of the block. Casting numbers can be helpful, but some blocks used several different casting numbers, and in some cases, one casting is not interchangeable with the other. Engines are identified by a tag attached to the engine. This tag is used on all late 1964-1970 models and located under the coil attaching bolt. On the tag is the displacement, assembly plant, model year, change level, engine code (useful in identifying high performance engines) and date of production.

C8, in the serial number, refers to 1968 (the C representing the 60's, and the 8 representing the last digit in the year). It could very well be an original motor from a 69.