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Help with decision, 16 5.3 AT to 19 5.3 AT4 to 19 6.2 AT4


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3 hours ago, Mandalorian said:

Devil's advocate: 2500HD gasser

I also have a GMC Cargo van with the 6.0.  Excellent engine, tons of torque, great fuel mileage (17MPG @ 80 MPH) and great mileage towing - about 12 MPG towing my airstream at 70 MPH.  Very driveable.

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