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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

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Old 02-03-2009, 05:27 PM
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Originally Posted by dtaylor628
Powertrax No-Slips seem to work good in front diffs, as long as both axles can be disconnected for on-pavement use. And they usally only run about 400.00, easy do it yourself install, no gear set up. Dont know if they make one for this axle though....Ran one for years in the back of my Jeep, worked excellent.

unfotunately those are only meant for light jeeps and trucks. F150's weigh too much and one of those wouldnt hold up to the abuse. I dont think they even make the mfor our application
Old 02-03-2009, 10:37 PM
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Originally Posted by Rubicon35
unfotunately those are only meant for light jeeps and trucks. F150's weigh too much and one of those wouldnt hold up to the abuse. I dont think they even make the mfor our application
Powertrax says they are good for towing, no restrictions whatsoever. I think they make these for up to 1 ton trucks. I have seen them used in full size Chevys that were used for rock crawling, never seen one fail.
Old 02-03-2009, 11:06 PM
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Originally Posted by Fire Rescue
Thanks, I may check into a couple of these and see what the best option would be.
Please post what you find. I would def be interested in adding a locker to the front
Old 02-05-2009, 03:11 PM
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OK, so after talking to a "Power Train" guy about this I found out that the F150's have a constant open diff. in the front. These are not a limited slip. He told me it was because of insurance companies they don't want the limited slip or lockers in them. Chevy is the only truck that has an option for a limited slip that locks mechanically, on its own (the Eaton G80). This system would be ideal for me, unfortunitally there is no aftermarket product like this for the Fords.
This guy recomended the Detroit Truetrac for the Fords. It is a limited slip that will automatically split the torque between the two sides. This is done with a gear system rather than a clutch system that can wear out over time. I found this system for $474. SKU: 912A563 Link is below.

http://www.rearendparts.com/product....cat=502&page=1

If a true locker is what you want he suggested the ARB air locking system. This system does not lock up on its own when you start to slip. You have to manually lock the by hitting a switch, the the front would be locked. When you no longer need the locker you have to manually turn it off. These systems cannot be ran locked while on paved roads and will exibit some bad manors when making turns.

For an everyday driver that only occationally needs to get out of a sticky spot, it seems this Truetrac system would be the most ecinomical (IMHO) If anyone knows anything about this system or has any other imput, please let us know.
Old 02-10-2009, 12:55 AM
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Originally Posted by Fire Rescue
OK, so after talking to a "Power Train" guy about this I found out that the F150's have a constant open diff. in the front. These are not a limited slip. He told me it was because of insurance companies they don't want the limited slip or lockers in them. Chevy is the only truck that has an option for a limited slip that locks mechanically, on its own (the Eaton G80). This system would be ideal for me, unfortunitally there is no aftermarket product like this for the Fords.
This guy recomended the Detroit Truetrac for the Fords. It is a limited slip that will automatically split the torque between the two sides. This is done with a gear system rather than a clutch system that can wear out over time. I found this system for $474. SKU: 912A563 Link is below.

http://www.rearendparts.com/product....cat=502&page=1

If a true locker is what you want he suggested the ARB air locking system. This system does not lock up on its own when you start to slip. You have to manually lock the by hitting a switch, the the front would be locked. When you no longer need the locker you have to manually turn it off. These systems cannot be ran locked while on paved roads and will exibit some bad manors when making turns.

For an everyday driver that only occationally needs to get out of a sticky spot, it seems this Truetrac system would be the most ecinomical (IMHO) If anyone knows anything about this system or has any other imput, please let us know.
I would start with the rear first, if you find you need more traction, then spend the money on the front. And Yes, the Tru trac is a good choice for a front diff.



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