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How do you tell the difference between a 6.5NA and a 6.2NA?

Discussion in '1982-Present GM Diesel' started by Pookster, May 10, 2004.

  1. Pookster

    Pookster 1/2 ton status

    Joined:
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    Is there some exterior casting number?

    I know the engine in my truck was replaced by the previous owner's friend, some 30k miles ago. I've driven only two other 6.2's and they certainly didnt feel as nice as this one did. (of course, it might also have to do with the final drive ratio or the automatic vs stick).

    Externally, is there anything I can find to tell me one way or another? maybe I could just hope and pray that when i check its a 6.5na... /forums/images/graemlins/rotfl.gif
     

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