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Old 03-28-2013, 06:53 PM
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Limited slip???

How can I tell if my 03 f-350 4x4 is limited slip or not?? And also what's the difference in limited slip and positrack


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Old 03-28-2013, 07:05 PM
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There should be a metal tag on the hogs head and I think it will say "LS" along with some numbers.
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Old 03-29-2013, 09:09 AM
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Quote:
Originally Posted by Silverbullet 6.0 View Post
How can I tell if my 03 f-350 4x4 is limited slip or not?? And also what's the difference in limited slip and positrack
First Post - Rear Diff Identification

Post #4 has the information that you want.

There is no difference between limited slip and positrack, both refer to a clutch type differential that sends power to both wheels under load. This is true for ALL cars and trucks. Trac-Lock, Sure Grip, etc are all mfr names for the same thing.

Quote:
Originally Posted by dr8082 View Post
There should be a metal tag on the hogs head and I think it will say "LS" along with some numbers.
The tag is on the rear differential cover, but there is no S, it will either be "3 73" or "3L73" (provided you have 3.73 gears of course). If you can't make that tag out, the second tag should say something about using a specific fluid, the clutches in a Trac-Lock will burn up if friction modifier isn't used.
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