An extra gear would be handy....
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Elder User
Joined: Feb 2006
Posts: 547
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From: Tennessee
An extra gear would be handy....
Just thought I'd throw this out there in case anyone knew of a solution-
On my last truck (F-250, 7.3L, 3.73 ratio) I could very easily cruise the highway
at 70 to 75 mph without feeling as though I was really driving hard.
Since I traded that truck on my current truck (F-350 7.3L 4.10 ratio), it runs great, but it is happiest on the highway at about 62-65 mph--- trying to keep it at 70 mph really seems like you are just burning tons of fuel with the rpm's high just to keep it going an extra 5-7mph.
Of course, I understand that the 4.10 ratio gears are dictating this, but has anyone done anything to "add an extra gear" that would allow for a little happier highway cruising?
I'm sure I didn't phrase this correctly but any suggestions would be appreciated.
On my last truck (F-250, 7.3L, 3.73 ratio) I could very easily cruise the highway
at 70 to 75 mph without feeling as though I was really driving hard.
Since I traded that truck on my current truck (F-350 7.3L 4.10 ratio), it runs great, but it is happiest on the highway at about 62-65 mph--- trying to keep it at 70 mph really seems like you are just burning tons of fuel with the rpm's high just to keep it going an extra 5-7mph.
Of course, I understand that the 4.10 ratio gears are dictating this, but has anyone done anything to "add an extra gear" that would allow for a little happier highway cruising?
I'm sure I didn't phrase this correctly but any suggestions would be appreciated.
Post Fiend
Joined: Feb 2007
Posts: 14,541
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From: Dallas-Ft. Worth
They're a bit pricey, but if you do a lot of highway driving, I'm sure it would pay for itself in fuel savings. I have 3.73s and have no problem running 80ish, but I definitely notice better mileage at 70 or so. We're talking ~2000 RPMs at 70 and like 2300 at 80 or 85 with my gearing...
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Elder User
Joined: Feb 2006
Posts: 547
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From: Tennessee
Originally Posted by dc2842002
Gear Venders makes an overdrive unit that would help. I don't know if they are anygood or not. There is another company that makes one too, US Gear I think
Don't know that I can pony up that kind of change...... I may just have to burn through some diesel.
P.S. dc2842002.......How's the Fort doing? I lived there for a while when I was at CSU...I miss that town and being on the front range every day.
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