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411 Swap 383 Vortec Newbie To Tuning. Where To Start?

Sorry, I will do better with it.
- ccrash56
- Post #48
- Aug 16, 2024
- Forum: 96+ Vortec Performance + Computer Swaps
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411 Swap 383 Vortec Newbie To Tuning. Where To Start?

hello I have a 1972 GMC 4X4 and I put a 5.7 vortec in it with 4l60e transmission and sent the black box off and had it tuned and deleted the down stream o2s and the egr and the evap and a performance tune basically a 91 octane tune and it run good for a long time and the motor blew up so I built...
- ccrash56
- Post #45
- Aug 10, 2024
- Forum: 96+ Vortec Performance + Computer Swaps
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411 swap tuning

hi I am also looking for some tuning files for my 1972 GMC with a 5.7 vortec that had a black box and I swopped it out with a 411 out 0f a 2001 express van and I have been looking for some tuning files because I deleted the down stream o2s and the egr and the evap system and it doesn't run...
- ccrash56
- Post #25
- Aug 6, 2024
- Forum: 96+ Vortec Performance + Computer Swaps
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1997 Chevy C2500 5.7 Vortec - Rough and High Idle. Has 411 PCM upgrade

hello I am trying to put a 411 pcm in my truck and have it all wired in and had some similar codes and I had a wire that was broken but I am also looking for some help with the tuning on my truck I have a hp tuner and have been trying to make it work I have deleted the down stream o2s and the...
- ccrash56
- Post #2
- Aug 6, 2024
- Forum: 96+ Vortec Performance + Computer Swaps