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Old 01-07-2009, 12:47 PM   #1
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axle question

hi everybody, i was wondering if running 35x12.50's on stock axles would be ok if i'm not going off-roading. i was thinking that the reason people buy heavier duty ones is becuase they are trying to make their rigs trail ready. well i'm not trying to build mine quite that tough because it is a DD and i don't get off the road hardly ever, so i was wondering if they would be ok. thanks

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Old 01-07-2009, 12:56 PM   #2
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what kind of rear axle do you have

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Old 01-07-2009, 01:01 PM   #3
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what kind of rear axle do you have
i don't have a clue. it's a 99 tj sport if that tells you anything.
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Old 01-07-2009, 01:07 PM   #4
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Look at the rear axle if it has a metal drain plug with a 3/8 drive its a Dana 44, if it has a flat rubber drain plug it is a Dana 35, the D44 is stronger than the D35
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Old 01-07-2009, 01:11 PM   #5
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assuming i have the d35, would it work?
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Old 01-07-2009, 01:15 PM   #6
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I think it would work but not for very long, running 35's gets you into alot more things, like a slip yoke eliminator and a cv rear drive shaft, if it were me I would regear
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Old 01-07-2009, 01:17 PM   #7
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I think it would work but not for very long, running 35's gets you into alot more things, like a slip yoke eliminator and a cv rear drive shaft, if it were me I would regear
regearing is going to make it all work? as in i wouldn't have to replace the axles? what does that cost, about $1,000?
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Old 01-07-2009, 01:17 PM   #8
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your TJ will be very sluggish with 35s and the stock gears. but if thatīs ok for you, why not...
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Old 01-07-2009, 01:22 PM   #9
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not sure how much that costs, it will be sluggish with 35's with stock gears and will lead to problems, if you want to do it I would replace the 35 with a 44 and regear it and have a nice Jeep, also I wouldnt put a 35 on the stock tire carrier I don't think the tailgate will hold it
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Old 01-07-2009, 01:37 PM   #10
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your TJ will be very sluggish with 35s and the stock gears. but if thatīs ok for you, why not...
i am able to get up to about 75mph, 85mph down a hill, with 33's on the interstate, what do you think my top speed would be with the 35's? just trying to see how much difference it is really going to make.
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Old 01-07-2009, 01:42 PM   #11
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you should have about 10-15% less RPM at the same speed. IMO your TJ shouldnīt be able to holt higher speeds in 5th gear. only in 4th gear.
I had 35s with my 3.07 stock gears for about 6 weeks until I regeared. during that time the 4th gear of my auto tranny was useless.

for on road driving the D35 rear axle is ok with 35s. for moderate offroading you can enforce it wth stronger axle shafts p.e.
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Old 01-07-2009, 01:50 PM   #12
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you should have about 10-15% less RPM at the same speed. IMO your TJ shouldnīt be able to holt higher speeds in 5th gear. only in 4th gear.
I had 35s with my 3.07 stock gears for about 6 weeks until I regeared. during that time the 4th gear of my auto tranny was useless.

for on road driving the D35 rear axle is ok with 35s. for moderate offroading you can enforce it wth stronger axle shafts p.e.


Ouch, 35s with 3.07, that had to be the longest 6 weeks of your life!

You can run a D35 with 35" tires all day long on the street, after that it's iffy, some people say they beat on them pretty good, most people who have tried it broke something. Just know if your going to do it, you might kill it, so have some coin in the bank waiting to upgrade, especially if it's your DD.
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Old 01-07-2009, 02:07 PM   #13
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Ouch, 35s with 3.07, that had to be the longest 6 weeks of your life!
with the yozto tranny and the torque converter i didnīt notice a big difference at city speeds. on the highway the difference was bigger.

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