Compression Ignition Addict
Join Date: Jun 2011
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Im not sure if the MPG will change much for highway cruising. This is just my total speculation but Im guessing its more in-between gears and not much change from final drive ratio for the top gear. I don't think ford has put out final drive ratio's yet. Again this is just my guess. Im guessing having more gears will help with towing a grade and keeping the RPM in the sweet spot for towing.
2017 F350 6.7L 4x4 FX4 SRW CCSB Lariat Ultimate
Soldó2002 F350 7.3 4x4 SRW CCLB. GTP38R, PIS 175/80 injectors, Sam Wyse Stage 2 Trans, 6.0 cooler, Banks Intercooler, 4" Turbo back Exhaust, PHP tuned TS 6 position chip, CNC 4 Line feed, HPOP and HPX Lines. International bellowed up pipes. AFE Stage 2 Intake w/ Dry filter. Banks exhaust brake and smart lock. Hutch/Harpoon mod, 910 Valve springs, Billet intake plenums. Firestone airbags. Trailready full guard front bumper. PIAA Driving and Fog lights. Micky Thompson Wheels.
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