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Old 12-26-2003, 09:07 AM
DURAMAX TIM DURAMAX TIM is offline
Hummer Professional
 
Join Date: Mar 2003
Location: N.CENTRAL OHIO
Posts: 474
DURAMAX TIM is off the scale
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This is mostly for Mac but other may find it useful.
Just got back from a 600 mile X-mas road trip down through eastern KY, some decent rolling hills.
The cruise on the 04 when set on 62-63 mph and 1800 rpm would down shift on some of the hills.
70% of time the rpms would go up to 2300.
29% of the time rpms would increase to 2800.
1 time it went up to 4000 rpm on a short steep hill.
Some hills I thought it would downshift on but it pulled right up.
It seems better than the 03 we had and it held the speed very well +/- 1 mph.
The 04 has less than 2000 miles too.

Yell'r 04 Lux w/ air, sunroof,F&R brush bars
Traded 03 White Lux
03 GMC D/A CC SLT LB soon to be 04
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07 White H3 Adventure w/ some black stuff
04.5 GMC D/A CC SLT LB EFI LIVE tuned
98 ZR-2 Blazer
Ex H2&3 owner
My hiking boots and canoe paddle have more miles than most 'offroad' vehicles, over 350 in last year.
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