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Extreme differences in updates with power and mileage
So I have a 14 ram 2500 with a raceme ultra, delete pipes and 35x12.50 tires. I have been updating the raceme whenever they come out. While I thought the mileage had been lacking since stock I was getting around 18mpg average before I started having def problems. When i first installed the raceme last october I was down to 15.7 mpg average. While the power was a great improvement, normally ran on the default 120hp tune, I tried stock and the 60 and got about the same. I went to the 2-3-17 update and tried the 150hp, while the mileage would now average over 17mpg, it got about 22-23 cruising at 75mph, that tune also turned the boost up way too high, it maxed the sensor out at 38+psi, and would roll tons of black smoke. I updated to the 2-14-17 update and ran the truck on 150hp, it got 23mpg at 75 my average got up to 17.6, max boos was just over 32psi and it ran great, didn't black smoke much, but i'm more worried about getting better mileage than being able to smoke someone out, although that is nice when the time arises. Now on the 3-6-17 tune, the boost is back to 37psi and it rolls coal like a train. Why is there such variance to these updates and is anyone else having these issues? I think i'm going to put my tuner back to the 2-14-17 update and reprogram it and hopefully it will go back to how it was with the mileage and power, I know that tune the 150 hp tune felt like maybe 80hp and drove accordingly. About to go on trip and don't want to have any issues. Oh and when I program, I either have a battery charger hooked up, or jumper cables to a running car.
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Originally Posted by elcubano
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