JP 1 ENGINE BLOCK

Discussion in 'PSI Superchargers Tech Questions' started by danny, Jul 30, 2005.

  1. danny

    danny compet elimin

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    Hi how can you know what year a JP 1 block is?We found these numbers on the block:
    on the main caps 419
    pan rail H 214
    in front of block 41970 and the number 590
    Thanks for the info Danny
     
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