Upgrading Dana 35 axle

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Mjw85

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Mar 7, 2022
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Southern Illinois
I have a 99 tj with an AX-15 35 inch tires and currently running 3.73 gears.. (I bought it this way.) I am looking to re gear to 4.88 I was wondering what kind of up grade to do to the Dana 35 rear end. I thought about doing a super 35 kit with a Detroit Truetrac. I drive mostly highway but occasional off road. Nothing too crazy. I also was thinking about installing a lunchbox locker in the front.
Thank you for any opinions. Also what kits do you all recommend?
—Matt
 
Mjw85 said:
I have a 99 tj with an AX-15 35 inch tires and currently running 3.73 gears.. (I bought it this way.) I am looking to re gear to 4.88 I was wondering what kind of up grade to do to the Dana 35 rear end. I thought about doing a super 35 kit with a Detroit Truetrac. I drive mostly highway but occasional off road. Nothing too crazy. I also was thinking about installing a lunchbox locker in the front.
Thank you for any opinions. Also what kits do you all recommend?
—Matt
Click to expand...
Truetrac not available in 30 spline for the super 35 upgrade
 
I would advise against a front lunchbox locker if you only do "mostly highway but occasional offroad." I was very unhappy with mine, and I can only recommend a selectable in the front if you daily it.
 
Mjw85 said:
I have a 99 tj with an AX-15 35 inch tires and currently running 3.73 gears.. (I bought it this way.) I am looking to re gear to 4.88 I was wondering what kind of up grade to do to the Dana 35 rear end. I thought about doing a super 35 kit with a Detroit Truetrac. I drive mostly highway but occasional off road. Nothing too crazy. I also was thinking about installing a lunchbox locker in the front.
Thank you for any opinions. Also what kits do you all recommend?
—Matt
Click to expand...
You should check out the forum guide to running 35 inch tires
 
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