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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
- Rusty c
- Thread
- Jul 30, 2022
- Replies: 11
- Forum: 96+ Vortec Performance + Computer Swaps
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...
- Rusty c
- Thread
- Aug 1, 2021
- Replies: 14
- Forum: Engine Performance + Maintenance