Need Help Identifying Gear Ratio - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 04-10-2010, 08:41 AM Thread Starter Rookie
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Need Help Identifying Gear Ratio

Just bought a new truck, you can see details in my signature.

The rear differential cover looks a bit rusty and I will be replacing it and changing the fluid while I am at it.

The door jam does not have an axle code.

Here is are the two stamps, I need to know if I have a limited slip diff, because I believe I have to had friction modifier in the fluid if I do.

Thanks for looking!

2000 F250 XLT, Crew cab, 4x4, 6 speed manual, 7.3l diesel 2" Lift, Rancho Shocks.
Soon to be installing a vegistroke v3 kit.
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post #2 of 2 Old 04-11-2010, 06:27 AM
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3:73 limited slip if I am not mistaken....there is a 3 under the bolt head on the tag thats on the passenger side of the rear axle.....Fred

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