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Ford Raptor Forums - General Information
Ford Raptor Problems and Questions Forum
Help!!! Differential Questions: Gears, Lockers, and Diff covers Front and Rear!
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<blockquote data-quote="pirate air" data-source="post: 355503" data-attributes="member: 27"><p>I'd go with 4.88s. I think 5.13s would be over kill unless you're planning on a 40" tire. You also have to remember 5.13 would be that much harder on the cv shafts and iwe's because you've multiplied the torque that much more. The pinion gear also loses more strength because its physically losing more size. </p><p></p><p>I would look at yukon brand gears if installing myself but in your case i would see what the installer prefers to use. If you choose a gear other than what the installer wants to use and it whines, you might have trouble getting him to fix it. Some gear brands are inherently noisier than others. </p><p></p><p>Mag tec cover for the rear is a good choice but unfortunately there's no option for a front cover because you have very limited room in the front for anything more than the factory stamp steel cover. A regular aftermarket 8.8 cover will bolt to the front diff housing but good luck getting the assembly to fit back into the truck. </p><p></p><p>Yes 31 spline reverse cut. </p><p></p><p>I don't know what ARB has for the Raptor. I've installed and worked on their lockers but always on jeeps. I would imagine high speed won't be an issue. Even a locker applying continues torque to the iwe is still going to be pretty hard on it. Most importantly will be how hard you push them/how you drive. Again, going larger with tires and larger in ratio will just work the iwe that much harder.</p></blockquote><p></p>
[QUOTE="pirate air, post: 355503, member: 27"] I'd go with 4.88s. I think 5.13s would be over kill unless you're planning on a 40" tire. You also have to remember 5.13 would be that much harder on the cv shafts and iwe's because you've multiplied the torque that much more. The pinion gear also loses more strength because its physically losing more size. I would look at yukon brand gears if installing myself but in your case i would see what the installer prefers to use. If you choose a gear other than what the installer wants to use and it whines, you might have trouble getting him to fix it. Some gear brands are inherently noisier than others. Mag tec cover for the rear is a good choice but unfortunately there's no option for a front cover because you have very limited room in the front for anything more than the factory stamp steel cover. A regular aftermarket 8.8 cover will bolt to the front diff housing but good luck getting the assembly to fit back into the truck. Yes 31 spline reverse cut. I don't know what ARB has for the Raptor. I've installed and worked on their lockers but always on jeeps. I would imagine high speed won't be an issue. Even a locker applying continues torque to the iwe is still going to be pretty hard on it. Most importantly will be how hard you push them/how you drive. Again, going larger with tires and larger in ratio will just work the iwe that much harder. [/QUOTE]
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Ford Raptor Problems and Questions Forum
Help!!! Differential Questions: Gears, Lockers, and Diff covers Front and Rear!
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