More EFI live tuning by 365!

     WE did some more EFI tuning on a 2010 chevy 3500. The truck now has a DSP5 switch and five tunes to use on the fly. They feature a lite tow tune, a heavy tow tune, a mileage tune, a street tune and a all out tune. The tunes are all made to run in a non-built trans, no lift pump truck.

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