James5 Posted February 9, 2022 Share Posted February 9, 2022 I have a 10 speed automatic 2006 Mack vision and it doesn’t seem to go as fast as I feel like it should I’m topping out at like 70/80 mph it also takes long to build up speed is there anything I can do to fix this issue Quote Link to comment https://www.bigmacktrucks.com/topic/69183-2006-vision/ Share on other sites More sharing options...
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