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  1. P

    4l80e

    By the way this the best change I ever made I have owned this truck for over 20 years have had many different pumps and pmd with different fuel chips and nothing has run as good as this DB2 4911 I bought a 93 for the pump and fuel lines and the motor in that truck sticker on valve cover says 220...
  2. P

    4l80e

    I already had manual wast gate and no vacuum pump it has a chip from Heath Diesel that made it shift hard already
  3. P

    4l80e

    Yep I plugged everything crank trigger wires on plenum everything but old DS4 wires and it works
  4. P

    4l80e

    All I did was change the pump and fuel lines plugged everything back up I could and it works I wish I new how
  5. P

    4l80e

    I have a 94 gmc 3500 6.5 I changed I/P to a DB2 and did not have to touch the transmission it shifts fine I bought a manual valve body but did not have to use it why it has a Heath diesel chip in the computer would that have anything to do with it
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