High Alt. vs Normal Injection Pump???

Discussion in '1982-Present GM Diesel' started by alec78, May 16, 2003.

  1. alec78

    alec78 1/2 ton status

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    What is the difference between a High Alt. injection pump and a normal pump?
     
  2. Tybee

    Tybee 1/2 ton status

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    I believe the only difference is the adjustment.
     

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