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Old 05-26-2010, 12:53 PM
aridranger03 aridranger03 is offline
Join Date: Aug 2009
Posts: 171
Default What differential fluid weight?

I am about to change my differential fluid in my truck. It's an 03 with the Ford 8.8 and 4:10 with limited slip. The manual calls for 80w-90 oil but after researching, I am seeing that many people are using different weights. Just wonder if anyone on here has recommendations for a certain weight.

1999 Ford F-150 XLT S-Cab 4x4 4.6 V8 3:55 L/S
Traded - 2003 Ford Ranger Edge Reg. Cab Flareside 3.0 V6
5 Speed 2wd 4:10 Limited Slip
Mods: Cargo Light, Map Lights, Tow Hooks, Fabtech Add-A-Leaf, Ford Step Bars, 06 Tails
Future Plans: 06+ Corners, Tint
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