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post #1 of (permalink) Old 07-14-2019, 05:19 PM Thread Starter
GaryF
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Join Date: Jan 2003
Location: Raleigh, NC
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DRW - 3.55 vs 4.10

Thinking of moving up to 19 F350 Dually trading a 13 DRW with 3.73 rear axle. Just curious thoughts on 3.55 vs 4.10 axle. I do not see a option for a 3.73. Little concern with fuel mileage if i go with 4.10 which is what most inventory shows around Raleigh, NC.



I understand the axle / wheel rotation multiplier with 3.55 - 3.73 - 4.10 and its effects on engine RPM's. Just curious what real world experience is with the 2017 and up truck owners.


I average towing 10-11 mpg with 2013 DRW 3.73 axle. Thinking a 4.10 will be 9 -10 mpg? Not sure what a 3.55 axle would give me.


Thanks
Gary

2013 F350 CC 4x4 DRW 6.7 Lariat Ultimate package.
2013 Heartland Bighorn 3610RE Fiver

*Previously owned *
2004 F350 CC Lariat 6.0 4X4 156 WB
2001 F250 CC XLT 7.3 4X4 156 WB
2006 Heartland Bighorn 3200RL Fiver
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