i swapped in a BB PCM into my '97 K3500 4x4. 7.4L (454) Vortec, 4L80E. paid the core charge so no down time, started right up, no issues at all, perfect. i'm a happy customer. I have my take-out original PCM wrapped up, in a box, shelf-spare.
Superchips tuner/programmer
- Thread starter b454rat
- Start date
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