You could probably pick up a smarty programmer for cheap that would let you play with a few parameters. EFI live would be the ultimate programmer but you won't need it just for better fuel mileage and power unless you were going crazy. My 06 ran 12.50 @110 and does not smoke much at all once I got the tuning all figured out.


70 Challenger
1960 Town Wagon P Pump 24v cummins project
06 Mega 3500 Drw 2wd
12 Durango R/T
18 Power Wagon
67 A100