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 - The River Tractor - by Charlie English Jr.. This is a 4010 John Deere that was used to farm on the Diamond Island which is in the Ohio River about 15 miles southwest of Evansville, Indiana. About ten years ago, this tractor was parked close to the bank as the river was washing the bank of the island away.
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