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Mar 26, 2011 | 03:00 PM

GeneLaw1

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More Turbo

Joined: Feb 2011

Posts: 531

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From: Atlanta, Georgia

4x4

Good people,

2006 F250 4x4 here. I was wondering what is the difference between 4x4 High, and 4x4 low? The instruction manual didnt really shed much light on it for me.

Cheers

Mar 26, 2011 | 03:16 PM

azgard

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Joined: Nov 2003

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4Low increases overall gear ratio giving more effective torque, while also significantly lowering your max speed. Don't ever use it on pavement.

Mar 27, 2011 | 09:22 AM

GeneLaw1

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More Turbo

Joined: Feb 2011

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From: Atlanta, Georgia

Thanks! So I guess for offroading, probably best to use High unless you really need the extra torque?

Mar 27, 2011 | 10:11 AM

dchamberlain

Lead Driver

Joined: Sep 2007

Posts: 8,180

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From: Scio, OR

It sorta depends on your point of view and conditions. Low gives you a lot more torque. It also slows you down a lot, letting you crawl over rough terrain without beating the crap out of your truck.

Mar 27, 2011 | 11:49 AM

5.4f250sd

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Joined: May 2010

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From: Duluth,MN

Its a lot easier on the tranny while going through gumbo or lots of snow

Mar 27, 2011 | 12:15 PM

azgard

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Quote:

Originally Posted by GeneLaw1

Thanks! So I guess for offroading, probably best to use High unless you really need the extra torque?

It's really a situational thing, most of the time you won't ever need to worry about using it, last and first time I ever had to really use it was to pull a truck out of a mudpit up a 30%-40% grade

Mar 27, 2011 | 02:11 PM

bigwhite7.3

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Joined: Oct 2010

Posts: 30

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4lo

4x4 high is for going regular speeds, daily driving in bad conditions. 4lo is for crawling slow, think of bike gears. 1st gear is 4lo, makes it really easy on the trans and motor to pull heavy stuff, offroading with big tires etc...