Re: OT Looking at 06 Duramax

Posted by fixerupper on July 19, 2007 at 10:51:30 from (207.177.13.77):

In Reply to: OT Looking at 06 Duramax posted by LBSMJS on July 18, 2007 at 20:56:35:

Last summer I pulled a fifth wheel double header trailer with two 39 ' draper heads with an 06 Duramax dually and it handled the weight well but when I got up to 60 MPH the wind resistance really took a toll, so it really pulled the guts out of it. Most of the time I could maintain 65 but sometimes I couldn't do 60. Pulling away from a stop sign it could squalk the tires pulling the trailer so it seemed to have plenty of grunt. I also drove a daycab semi tractor with a 365 Cummins pulling an identical trailer and it was about head-to-head with the Duramax. I drove both of them about 2000 miles each and the fuel mileage seemed to be about the same between the two. Over the long haul the Chevy couldn't keep up with the semi because it needed fuel every 250 miles and of course the semi had bigger tanks. This is a pull that most pickups won't ever see because we were making the Duramax do something a semi should have been doing but it shows if you use your pickup like a semi you will get the mileage of a semi. The Duramax is not chipped. This year both trailers are on semi tractors. Jim

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