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Re: GMC C4500 duramax engine
Posted to HD/Fleet Forum on 9/22/2013 1 Reply

I will see if my tech2 lets me get into cruise options. A friend also suggested reflashing with another like vin of a vehicle without a 65 mph limiter. Hopefully liability isnt an issue since they just raised the speed limit infront of our shop to 70 and its 7... Login to read more.

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