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  1. R

    97 3500 dually engine swap

    Just bought a 97 3500 dually that originally had a 7.4 that was taken out I have a 5.7 out of a 98 or a 8.1 out of a 02 avalanche that I would like to put in it witch would be the easiest swap to the 5.7 or the 8.1
  2. R

    1997 3500 vortec issue

    update i ordered a new ecm pcm programmed without the security and have that solved but i still have some wiring issues between the 96 cab harness and the 98 engine harness no tac or gauges but still working on it
  3. R

    88-98 Service Manuals

    thanks so much for uploading these manuals it will save me a lot of time on the mess i am working on
  4. R

    1997 3500 vortec issue

    Yes it has never communicated with the scan tool other than getting the codes with either harness or ignition the original ignition was broken out and you had to use a screwdriver to turn it on so I put in the new column and dash harness
  5. R

    1997 3500 vortec issue

    Well it was the same thing with the old ignition and wiring the only difference is that the security light was on with the old stuff and it is off now
  6. R

    1997 3500 vortec issue

    I have not had a assistant but I can dump fuel in it and it will run a little bit until it runs out and I have tried a different fuel pump and no luck
  7. R

    1997 3500 vortec issue

    I have a 97 3500 with a 5.7 vortec the ignition switch was destroyed when I got it so I put a column in out of a 98 half ton also put in the dash and dash harness but the truck still won't start unless you dump fuel in it will I have to send in the pcm to get the security deleted or is there...

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