Gear ratio upgrade: 2011 4.0 V6 5 speed manual 2wd.
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Joined: Jan 2025
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From: California
Gear ratio upgrade: 2011 4.0 V6 5 speed manual 2wd.
I want to upgrade the rear diff gear ratio to from 3.5 to 4.1.
I'm getting all sorts of different answers on the spline count for the ring and pinion. Some say 28 some say 31 autozone says 30. Same with the kits for bearings and shims.What's the right answer here?
Big thanks!
I'm getting all sorts of different answers on the spline count for the ring and pinion. Some say 28 some say 31 autozone says 30. Same with the kits for bearings and shims.What's the right answer here?
Big thanks!
Member
Joined: Jul 2022
Posts: 954
Likes: 175
From: PSL FL
Here some good info on which is which.
https://www.therangerstation.com/tec...xle/#gsc.tab=0
Another good read.
https://www.therangerstation.com/tec...ecs/#gsc.tab=0
https://www.therangerstation.com/tec...xle/#gsc.tab=0
Another good read.
https://www.therangerstation.com/tec...ecs/#gsc.tab=0
Last edited by RoseBud68; Jan 26, 2025 at 09:17 AM.
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