Posted by Lenny Kirby on November 27, 2007 at 17:56:26 from (75.204.9.91):
In Reply to: 2003 GMC 2500HD 8.1L posted by Matt Weltz on November 27, 2007 at 14:49:13:
I have an '03 GMC 2500HD ext cab short bed. 8.1L 5spd allison. I hyperteched mine and have had no problems I don't know what it would get before because I already had the programmer and did it the day I bought it. I pull a 25x5 triple axle 21k trailer and with light load of 5500lbs pulling tractor I will get about 7-8 mpg depending on wind. empty with no trailer i'll get 14+ between 60-65 mph won't average that but that is what the instant computer says when I drive... 50,000 miles 3.73 rear end..
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let�s make one more addition to our series on hydraulics. I�ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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