Quote:
Originally Posted by Gigjoec
New to me 2017 37TS with 6.7 Cummins I’m looking for a tuner to increase HP torque what being used…..
Does the factory still do the upgrades on these models ?
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A Cummins authorized facility can "uprate" your engine to 360 horsepower and 800 lb/ft of torque from your current 340/700. Many of us with the M2 chassis have had this performed. This is 100% EPA legal.
Another upgrade to be considered is having an Allison facility "make the performance shift schedule PRIMARY". Many rigs came programmed with an economy shift schedule which hampers performance. The performance shift schedule allows the rig to better take advantage of the increased engine power.