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  #1  
Old 03-01-2012, 02:40 PM
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Rear end q's

04 f350 LB CC SW. What rear end do I have. Is it limited slip?
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Old 03-01-2012, 02:46 PM
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There should be a tag on one of the rear cover bolts that will have that info.
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Old 03-01-2012, 03:58 PM
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There is also a rear end code on the door tag. For a cheap laugh, two foot it, mine only spun the right rear before I put in a True Track.
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Old 03-01-2012, 06:41 PM
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Your rear is a Sterling 10.5

The gear ratio and whether or not it has a limited slip will be on a tag held on by the diff cover bolts. The limited slips are about worthless in these trucks, so even if it does have one then it will probably still do a one tire fire burnout instead of both. I know mine does and it has a limited slip factory.
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Old 03-01-2012, 06:50 PM
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Yea I knew it was the 10.50 but I was wondering the book says the fluids never need to be changed but when I go around corners slow its popping like the clutches are sticking.
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Old 03-01-2012, 07:02 PM
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When I bought my truck it was doing the same thing your describing and I changed the fluid and put in two bottles of the Ford limited slip additive and it stopped shuddering. BTW, the truck had 92k on it
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Old 03-01-2012, 07:09 PM
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Cool, looks like thats what Im doing tomorrow.
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  #8  
Old 03-02-2012, 05:51 AM
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About to start working on this old girls rear end. Looks like Im going to be breaking her seal for the first time.
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