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best highway gears for f250 superduty?
looking to purchase f250 superduty it will come with a 6.7l diesel engine it comes with Lt 275 65r 18 tires what is the best gear ratio for universal driving choices are 3.73 3.31 3.55 4.30
2 Answers
- Anonymous8 years agoFavorite Answer
3.55 is pretty much right in the middle for decent towing, yet keeping the RPM's down on the highway. 3.31 would be good for straight highway driving, but not as great for towing. 3.73 would be moderate towing but bring your RPM's up on the highway a bit more... Then 4.30 is pretty much good for real heavy loads. You can still do highway speeds, but your RPM's will be significantly higher, which will lead to a loss of fuel economy.
I'd go with 3.55 or 3.73
- ramchargerLv 68 years ago
fmc invested big money to determine the best gear ratio for that truck for overall performance,do you know anyone that compares to that.
