Hi. I made new transmission mod. “EcoBoost 8-speed GearShift”.
By optimized gear ratios, you can get smooth acceleration and save the fuel.
Actually, I did it, 57.5L/100miles to 56.4L/miles.
Retarder; 6 steps
Only for Kenworth T680&W900.
Hope enjoy trucking with this transmission. Thank you ;)
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