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Old 09-24-2012, 11:47 AM   #1
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35's tiers and regearing?!?!

my jeep wrangler tj is lifted 4 in and has 33's right now but i wanna get 33's i have talked to a few ppl and they said i will fit them but i want to know if i would have to regear my jeep and if so how much will it cost to regear? my jeep it a manual btw

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Old 09-24-2012, 11:49 AM   #2
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Quote:
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has 33's right now but i wanna get 33's
You already have 33's. Why do you need more?

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Old 09-24-2012, 11:52 AM   #3
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Quote:
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You already have 33's. Why do you need more?
He meant he wanta 35's... Read the title
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Old 09-24-2012, 11:53 AM   #4
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Quote:
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He meant he wanta 35's... Read the title
Wants*
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Old 09-24-2012, 11:55 AM   #5
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Yep you'll need to regear for 35" tires. Providing your engine is the 4.0L, 4.88 is the right ratio. But is your rear axle strong enough to run 35" tires? The base level Dana 35c rear axle is not, the optional extra-cost Dana 44 is.
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Old 09-24-2012, 12:31 PM   #6
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Yep you'll need to regear for 35" tires. Providing your engine is the 4.0L, 4.88 is the right ratio. But is your rear axle strong enough to run 35" tires? The base level Dana 35c rear axle is not, the optional extra-cost Dana 44 is.
do you know how much it will cost to regear?
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Old 09-24-2012, 12:34 PM   #7
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yea i wanna get 35's sorry for the typo lol
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Old 09-24-2012, 12:36 PM   #8
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do you know how much it will cost to regear?
Whoops I forgot to include that answer... for both axles including all parts and labor, $1200 is right in the mid-point you'll find. The harder you push for a discount and negotiate, the lower $$$ you can get it done for.
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Old 09-24-2012, 12:50 PM   #9
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He meant he wanta 35's... Read the title
I realize that. I was poking a little fun at the OP while avoiding answering his question that is asked at least 10 times a day.
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Old 09-24-2012, 01:13 PM   #10
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Quote:
Originally Posted by Imped

I realize that. I was poking a little fun at the OP while avoiding answering his question that is asked at least 10 times a day.
Well good thing Jerry is a nice guy, I think he has the right to complain a bit more than you considering he answers everyone.
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Old 09-24-2012, 02:01 PM   #11
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what axles does the OP have on his rig? d30/35.... If so maybe he could post pix after his axles blow up when he throws on the 35s
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Old 09-24-2012, 02:30 PM   #12
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Well good thing Jerry is a nice guy, I think he has the right to complain a bit more than you considering he answers everyone.
Jerry is a nice guy and has far more patience than I.
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Old 09-24-2012, 10:51 PM   #13
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Quote:
Originally Posted by jfol

do you know how much it will cost to regear?
How can I tell what size my axle is?
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Old 09-24-2012, 11:00 PM   #14
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Check your rear diff
Click image for larger version

Name:	axlechart.jpg
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Old 09-24-2012, 11:16 PM   #15
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Check your rear diff
Thanks! I'm gonna take a look in the moring! 😁
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Old 09-24-2012, 11:32 PM   #16
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You should also consider upgrading brakes.From the people I have talked to 35's and stock brakes can be a bit hairy. If you regear your diff's you should consider lockers since your not gonna be able to use your stock carrier anyway and you'll have to get new carriers and spider gears.Lcokers are a must if your gonna be doing some harder trails. Seeing on how that your wanting a larger tire which usally means your wanting to go on harder trails that requires a bigger tires. Running a 35" tire is awesome but it is also opening up a whole new can of worms that can get $. Best of luck in whatever you decied to do.
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Old 09-25-2012, 10:22 AM   #17
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Quote:
Originally Posted by jeepwayoflife
Check your rear diff
Looks like I have the Dana 44 rear axle and the Dana 30 front axle so that mean I would just have to regear the back?
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Old 09-25-2012, 10:51 AM   #18
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The front and rear axle ratios must match... so if you regear one, you must regear the other to match.
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Old 09-25-2012, 11:38 AM   #19
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I have been running 35's for four years now, D44 & D30 stock 373 gears. I have a 99, 4.0, 5 speed, 4:1 Terra Low. Re-gearing is defiantly something on my list but costly when considering your choice of lockers, gears and install cost, it is on the back burner for now. I have been to Moab several times and ran every trail and Pritchett (Backwards), no problems. I do have to downshift into 4th on the highway if going up a slight grade, but to be expected with the gears. Not sure what your Jeep set up is, if running an Auto then you probably have no choice but to upgrade gears before running 35’s…
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Old 09-25-2012, 02:37 PM   #20
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2003 rubicon here running 35's and the factory gears still. I know I need to go to 4:88's but until I do is there any damage being done? Obviously the power band is skewed a little but am I doing any real damage. Thanks all.
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Old 09-25-2012, 03:06 PM   #21
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No damage is being done by running the factory gears. What transmission are you running? If your Rubicon has an automatic, go for 5.13 not 4.88. The only damage I'd worry about is from the dust getting into your engine through your K&N air filter which is not much of an air filter at all.
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Old 09-26-2012, 12:52 AM   #22
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Quote:
Originally Posted by RockHound
I have been running 35's for four years now, D44 & D30 stock 373 gears. I have a 99, 4.0, 5 speed, 4:1 Terra Low. Re-gearing is defiantly something on my list but costly when considering your choice of lockers, gears and install cost, it is on the back burner for now. I have been to Moab several times and ran every trail and Pritchett (Backwards), no problems. I do have to downshift into 4th on the highway if going up a slight grade, but to be expected with the gears. Not sure what your Jeep set up is, if running an Auto then you probably have no choice but to upgrade gears before running 35’s…
My jeep is a 2002 wrangler sport I'm not sure what my stock gear ratio is but you have been running 35's for a while you think I would be fine for now with our regearing?
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Old 09-26-2012, 11:10 AM   #23
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My jeep is a 2002 wrangler sport I'm not sure what my stock gear ratio is but you have been running 35's for a while you think I would be fine for now with our regearing?
I have had no issues, only having to downshift more often on grade inclines on the road.

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