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Unread 04-12-2010, 07:45 PM   #1
vallone530
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34x9.5 on Stock axles?

I believe my rear is 8.25. will it work, thanks.

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Unread 04-12-2010, 07:48 PM   #2
MrZucchinihead
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yeah, people run 35x12.50's on it, you'll be fine.
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Unread 04-12-2010, 07:59 PM   #3
N2OJeep
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you'll be fine as long as you dong drive like an asshat
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Unread 04-12-2010, 08:19 PM   #4
xjfever
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Your power and mileage will suffer unless you regear the axles. If you have an auto transmission I would add a transmission cooler to help keep the transmission cool.
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Unread 04-12-2010, 08:21 PM   #5
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Your power and mileage will suffer unless you regear the axles. If you have an auto transmission I would add a transmission cooler to help keep the transmission cool.
Words of wisdom here.
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Banned for being the cooler Nick
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Unread 04-15-2010, 08:52 AM   #6
vallone530
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Thanks I got a 5 speed, whats gears 4.56? I changed my mind to 33s and probably wanna throw a locker in. but someday wanna run 35s. If i was to run 35s will axles be able to handle it with gears and locker?
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Unread 04-15-2010, 10:24 AM   #7
Willy36
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You would certainly be pushing it and it may be cheaper in the long run to find a good junkyard 9 inch or something and fab it to work rather than run the risk of breaking them, but I have seen it done. You just have to be veeeerrrry easy on the skinny pedal.
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Unread 04-15-2010, 10:28 AM   #8
Nick
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Originally Posted by vallone530 View Post
Thanks I got a 5 speed, whats gears 4.56? I changed my mind to 33s and probably wanna throw a locker in. but someday wanna run 35s. If i was to run 35s will axles be able to handle it with gears and locker?
The 8.25 could probably handle it, but I think an axle swap would be better in the long run. With 35s and a locker you'll definitely want to regear and possibly look at new axle shafts. I'm 90 percent certain you can't fit anything past 4.56 gears in the 8.25- could be wrong, though.
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Banned for being the cooler Nick
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Unread 04-15-2010, 10:32 AM   #9
toates89
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as a temp fix you could swap some stronger axles from an auto. and then your 5speed would be matched with higher auto gears. and it wouldnt be as bad.

I noticed going from 235's to 31's. just changed when i need to shift
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Unread 04-15-2010, 11:00 AM   #10
ChewyXJ
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Originally Posted by vallone530 View Post
I believe my rear is 8.25. will it work, thanks.
What year is your Jeep? '96 and earlier had weaker 27 spline shafts and '96 and later had stronger 29 spline shafts. You can upgrade both types with chromoly shafts for a little over $150.
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Unread 04-15-2010, 11:05 AM   #11
dcorn
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I wheeled with an XJ on 35's and stock axles/shafts. He was locked front and rear as well and doing some pretty crazy obstacles. I thought he was gonna break something for sure but didn't have a single problem.
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Unread 04-15-2010, 11:24 AM   #12
Skwerly
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The D44 is a tad stronger than the 8.25, and the Ford 8.8 trumps them all, but is more work to get installed.

However, I'm VERY active in driving off-road trails, and I know a handful of guys that run the 8.25 (29 spline) with 35s, locked, and haven't busted a shaft. They don't lay on the skinny pedal a lot though, either.

Personally, I believe that finding a junkyard Dana 44, slapping in 4.56 gears and a locker and forgetting about it is the way to go. The "best bang for your buck" way, anyhow.
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Unread 04-15-2010, 12:02 PM   #13
vallone530
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its a 93 I probably wont run 35s for about a year just wanna run 33s for now should i still re gear, i probly wont be able to
re gear for a few months. i hear 33s are bit sluggish but tolerable right now its got 31s road tires, I'd be buying 33x10.5 km2s. thanks for the input
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Unread 04-15-2010, 12:41 PM   #14
vallone530
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My uncle runs 32 inch super swampers with stock gears, same exact jeep as mine I dont see that 33s would make a huge difference but i thought i would ask
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Unread 04-15-2010, 01:14 PM   #15
Skwerly
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They do. It significantly raises the gear ratio. Off the line you don't necessarily see too much slug, but wait til you are going up a hill and the tranny doesn't know where to be, or you try and pass someone. IMO, you should run at least 4.10s with 33s, and preferably 4.56 gears.
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