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03' & 04' mpg

1501 Views 16 Replies 17 Participants Last post by  imkevdog, 
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need some input on 03' 04' 3500 dually mpg both 2wd & 4wd
most response i see is 2500's !

tks
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FreeBird
19 - 21 mpg doin' 63 mph windows down no a/c.
18 mpg doin' 70+ mph " "
10 - 11 mpg doin' 60 mph pullin' 39' Escalade Toy Hauler @ 18K lbs.

Just installed a 4" Silverline Exhaust, High flow Cold Air Intake & B&D Exhaust Brake.
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