Been Running my new 3:54 Gears for a couple of weeks now & boy what a difference. Milage is at the worst 18MPG and up to mid 20s on the highway. I tend to get a smile every time I go by a gas station. I pulled a friends junk 5th wheel(no brakes or lights)and my speed kept creeping up on me
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. Also note that friend has a new power smoke and was afraid he break something because of the 5th wheels size of 34'. Also I just replaced ALL of my AC system and upgraded to R134A and seems to work very well. This is my 2nd R134A upgrade on a Dodge truck and have been very happy with the results. By the way anyone need 2 sets of 4:10 gears for a Dana 60?Ill let em go cheap !
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1985 DODGE 1 ton Crew Cab W/8' box converted to 4X4 in 1999. Upgraged to a non-intercooled 1991 Cummins Turbo diesel & rebuilt 5 speed Getrag in January 2001. Freshly rebuilt and Balanced Cummins, Rebuilt NP205, Rebuilt Injector pump and tweaked, Matched Injectors, 3" New Mandrel Bent Exhaust,no muffler, Borgeson Steering Shaft, K&N Air Filter, 3:54 gears, limited slip rear end, 16" Goodyear GSA Wranglers, 16K Reese 5th Wheel Hitch,and LE Package, OEM Cruise Control, All New R134A AC, and a Sony CD Stereo. If you want to know why I did all of this, 3 kids and I can't stand F**d and Ch**y. Kyle Hoover ,Fruitport, MI.

. Also note that friend has a new power smoke and was afraid he break something because of the 5th wheels size of 34'. Also I just replaced ALL of my AC system and upgraded to R134A and seems to work very well. This is my 2nd R134A upgrade on a Dodge truck and have been very happy with the results. By the way anyone need 2 sets of 4:10 gears for a Dana 60?Ill let em go cheap !
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1985 DODGE 1 ton Crew Cab W/8' box converted to 4X4 in 1999. Upgraged to a non-intercooled 1991 Cummins Turbo diesel & rebuilt 5 speed Getrag in January 2001. Freshly rebuilt and Balanced Cummins, Rebuilt NP205, Rebuilt Injector pump and tweaked, Matched Injectors, 3" New Mandrel Bent Exhaust,no muffler, Borgeson Steering Shaft, K&N Air Filter, 3:54 gears, limited slip rear end, 16" Goodyear GSA Wranglers, 16K Reese 5th Wheel Hitch,and LE Package, OEM Cruise Control, All New R134A AC, and a Sony CD Stereo. If you want to know why I did all of this, 3 kids and I can't stand F**d and Ch**y. Kyle Hoover ,Fruitport, MI.