O2ShootTheJ
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Hey I have the 8k tow, unlimited tow, srl+ and srlxx for the 6.0. Which one is going to get the best mileage?
What tune has the best fuel mileage?
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O2ShootTheJ
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is that true for the 6.0? cuz I tried the SPD from TSD (realize it's a different tuner) and it got 2.6 mpg less
