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Damage to Truck with Spartan Tuner
Haven't seen any issues with SCT and the 6.4, you can also get custom tunes made especially for your vehicle with the SCT, they do not add as much hp as the Spartan, I think the Extreme only adds about 188 hp, you get the best gas mileage out of the high hp tunes as long as you keep your foot...- PaulBoss
- Post #13
- Forum: 6.4L PowerStroke Power & Performance
