pontiac 455 engine code

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06-03-2004, 01:56 AM
blueprix69

pontiac 455 engine code

I think my engine is 1974 455 pontiac. front passenger side # on block is 0243977 under that is YU. Anybody know what I got?
06-21-2004, 08:43 AM
BlueDSM

http://www.yearone.com/updatedsingle...ontengid4.html

YU is listed as a 1974 455.

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