Update fuel Milage after BB Tune
For any of you guys interested in a Black Bear tune and any fuel MPG increase I have just completed some testing of before and after on my truck. As I stated before, I didn't buy the tune to race, nor...
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I have a Black Bear tuned ECM (for towing) and recommend it too. One thing I will say is that while I can run 87 octane, it will ping on heavy acceleration. I usually run mid grade gas when not towing and premium when towing the TT to keep the pre-detonation at a minimum.
