Shame you aren't closer to Ferman in Zepherhills, FL. He is a savant with respect to the Duramax/Allison. EFI-Live programming is the best IMO. That is what I have now thanks to - THEFERMANATOR. Different settings for economy and towing that are available on the fly. I have a Tripple Dog from Bully Dog that will add some soot to the LBZ. It was installed on my 2006 prior to the EFI-Live. I will let it go for cheap if interested. It did increase power, just not to the extent the EFI Live programming does. The Bully Dog plugs into the OBDII port under the dash and has a small screen from which you can retrieve diagnostic codes and set up various programming functions. EFI-Live uses a laptop and has hundreds of parameters to change and play with. Either way, you got in cheap. Hope it is a runner for years to come. We like ours a lot.. 3 in total.
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1996 -19' NV Flats 115 Mercury 4-stroke
1983 -20' Wellcraft Center Console 250 XS
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