Compression Ignition Addict
Join Date: Apr 2007
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60,000 +, no problems. I had a 6.0, had a few problems, 6,4, main gripe was mpg's, otherwise great truck. I have loaded this truck with a 8,500 lb bumper pull and pushed it hard through headwinds/mountains without an issue. That trip would have hurt the 6.0. I loaded it with a 16k f'ver and drove it 70-75 on two trips. The engine is a beast, the tranny hiccups every once in awhile, nothing really disconcerting... My economy is pretty much what I want to make it. At 1600 rpm you have 800 lbs torque. Keeping the engine in the range of 16-18 hundred rpm seems to give the most benefit. I have gotten 18mpg at 75 a few times, and have also got 15-17 mpg at 75...it seems mileage drops at 65+. Overall, truck is easily maintainable if you opt to do it yourself.
Comparitively, how does the Toyota do on mileage at identical speeds?
Driving: 2011 Pale Adobe...F-350 CC 6.7 FX4 3:55-Locking Rear End-Dual Alternators-premium Lariat, moon rf, added wheel flares, 2-tone black base
Picked up 4/29/10 as of 06/20/2012 109,000+miles