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07/10/2021 5:40 pm
Topic starter
Scotty,
I purchased a used 2011 Dodge/RAM 2500 with 6.7 Cummins Diesel engine. The truck has been deleted and has an EFI Live Tuner with 5 tunes. The previous owner did all of this work on it, never abused it, and only used it for towing. He took excellent care of it. My question is in regards to the diesel tuning he did. He told me the tunes are as follows: 1 is stock, 2 is 30 hp, 3 is 60 hp, 4 is 120, and 5 is 150. Which of these “tunes” should get the best fuel mileage? Related to this: it still has the stock 68RFE transmission and I don’t want to do anything that would damage it.
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08/10/2021 6:12 am
Well of course stock will get the best gas mileage cuz those other ones and horsepower which of course lowers gas mileage
