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The Water Cooler
General Discussion
do Hypertech power Programmers work
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<blockquote data-quote="DPI" data-source="post: 1453893" data-attributes="member: 793"><p>I use a Bullydog programmer on my 2002 2500hd 4x4 6.0L.</p><p></p><p>I adjusted the speedometer for a bigger tire size, I firmed up the transmission shifts and raised the shift points. I also set the programmer to tow/haul.</p><p></p><p>I average about 14 mpg with 75% highway driving. The performance seems better, but how do you really tell by the seat of your pants? The only performance upgrade I have done is a <a href="http://www.flopro.com/FP2500oval.htm" target="_blank">Pro-Flow</a> muffler with no other changes to the exhaust (I kept the existing pipes and converters).</p><p></p><p>The shift points and firmness are a definite improvement. However, when you push the tow/haul button, it raises the shift points to 3000-3500 which is a little too high.</p><p></p><p>I have a friend with the same truck and he gets about 7-9 mpg for comparison.</p></blockquote><p></p>
[QUOTE="DPI, post: 1453893, member: 793"] I use a Bullydog programmer on my 2002 2500hd 4x4 6.0L. I adjusted the speedometer for a bigger tire size, I firmed up the transmission shifts and raised the shift points. I also set the programmer to tow/haul. I average about 14 mpg with 75% highway driving. The performance seems better, but how do you really tell by the seat of your pants? The only performance upgrade I have done is a [URL="http://www.flopro.com/FP2500oval.htm"]Pro-Flow[/URL] muffler with no other changes to the exhaust (I kept the existing pipes and converters). The shift points and firmness are a definite improvement. However, when you push the tow/haul button, it raises the shift points to 3000-3500 which is a little too high. I have a friend with the same truck and he gets about 7-9 mpg for comparison. [/QUOTE]
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