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Old 06-02-2013, 08:49 PM
440sp 440sp is offline
Dodge Ram Forum Newcomer
 
Join Date: Jun 2013
Location: cullman ala
Age: 57
Posts: 7
Gender: Male
Vehicle: 99 2500 4x4
Trim Level: slt
Color: silver
Engine: 1998-2001 360ci (5.9L) Magnum V8 245hp(standard), 250hp(Sport package)
Rep Power: 0
Rep:10
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I have a heavy 2500 (8800) 5.9 and 4.10 gears and I have done everything mentioned here K&N filter, open exhaust with shorty headers still have cat though, changed the front from hub bearings to lock outs which helped some but not much at least I do not have to change hub bearings anymore, no cam change though BUT the biggest thing that did help was I installed a vacuum gauge and watch it constantly trying to keep the vacuum as high as possible by doing this I went from 9mpg to almost 13mpg!! big jump considering it costs $$$$ to fill her up. As mentioned earlier these trucks are not fuel misers but pretty thirsty but again I have a heavy 2500 with 4.10 gears if I went to 3.55s I probably would see more MPGs but lose in the low end...hope this gives you some ideas.........
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