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Spartan Diesel Technologies
**6.4L Tuning Update**
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[QUOTE="woodsman, post: 1383854, member: 871"] Got it loaded up yesterday and took it for a test cruise. This tune absolutely nailed it for me as far as throttle pedal input. The first 50% or so was light enough for me to bounce down logging roads without getting into any jerking feedback situation. Feels like a very healthy but stock truck. Transmission relearn went super quickly and more smoothly than with any previous tunes. Once you get closer to 3/4 throttle jekyl goes away and hyde comes out to play. My ONLY dislike on this tune (gotta pick on something) is the late lockup of the torque convert. With 3.55 gears and stock tires I'm at 55mph before the torque converter locks up at light throttle. I'd love to see it lockup in 4th round 35-40 and then grab 5th around 50-55 under light throttle for fuel economy. Overall this is by far my favorite tune, well done to the ******* team as always!!! [/QUOTE]
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