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PPE and EFI Tune
i accidentally did this with my lbz. i had one of robs tunes in that i had modified the vains for a rumble at idle. then i just wanted to try out my bosses triple dog. ijust figured it would overwrite robs tune, but when i started the truck it had the lb7 rumble. wtf i thought. i pulled the...- chris_koller
- Post #13
- Forum: Duramax Tuning, Logging, and Gauges