How much more capable are 33s vs 31s? - JeepForum.com

 
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post #1 of 6 Old 10-06-2009, 12:58 PM Thread Starter
djlarroc
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How much more capable are 33s vs 31s?

I need to buy new tires and am looking to go up in tire size. I'm at 3" and I see going to 33/34x10 is going to require a small fortune besides the tires.

Bigger lift
Fender trimming
Adjustable track bar
GEARING
New carrier
Maybe SYE

Is it worth it? I'm now looking at TSL bias 31x10 (31.3") vs LTB 34x10 (33.6"). Rolling diameter is a bit over 2", but clearance only improves a tad over 1".

Going to 34s is going to run me about $850-1000 more. Is it worth it to those who have done it? The 34s are only about $60 more total. Just all the extra stuff needed to run those.


'97 XJ Country, 3" hybrid, 245/75 MTR, TJ Moabs, Front Truetrac/Rear Aussie, 4:10 gears, skids, recovery.

Last edited by djlarroc; 10-06-2009 at 01:13 PM.
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post #2 of 6 Old 10-06-2009, 01:05 PM
1990JEEPXJ
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you can run 33's on your current lift, thus eliminating the SYE as well. but at 3" you should get an adj. trackbar anyway. gearing and the parts for it are the majority of the cost.

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post #3 of 6 Old 10-06-2009, 01:24 PM
Starboard M
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Other then having 1'' more clearance at the diff, and possibly able to get over bigger obsticals, not much.


Is it worth it, depends what your ultimate goal with the Jeep is.

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post #4 of 6 Old 10-06-2009, 01:35 PM
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What axles are you running?

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post #5 of 6 Old 10-06-2009, 01:38 PM
foggybottombob
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I see you are in Denver. In driving Colorado trails, every quarter inch counts. 33's are much more capable than 31's. I can do every line on every obstacle on the wheeler lake trail (except 1) with 33's. You can cut out half of those for 31's.
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post #6 of 6 Old 10-06-2009, 01:50 PM Thread Starter
djlarroc
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Quote:
Originally Posted by Starboard M View Post
Other then having 1'' more clearance at the diff, and possibly able to get over bigger obsticals, not much.


Is it worth it, depends what your ultimate goal with the Jeep is.
Thanks. Yeah, I know "is it worth it" is kind of a dumb question to ask, and really only I can decide. I am in CO, and there are alot of rocks.

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Originally Posted by XJMuscle98 View Post
What axles are you running?
Currently D30 and 27 sp 8.25. I was going to do the 8.8 w/4:10s and new R&P for front if I went w/34s. Lot's of work to be done to go to 34s.
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Originally Posted by foggybottombob View Post
I see you are in Denver. In driving Colorado trails, every quarter inch counts. 33's are much more capable than 31's. I can do every line on every obstacle on the wheeler lake trail (except 1) with 33's. You can cut out half of those for 31's.
I've heard that from a few different people. I have only been winched once, on chinaman. I got armor and good recovery points. I did spring creek w/no major troubles. Had to take a few bypasses though.

Just don't know if I should just go w/31s again and put a rear locker and w/the money I save do the x-flex arms and call it done. Or do I start this big project to run 34s. I know it's a personal choice, but am stuck about which way to go.

'97 XJ Country, 3" hybrid, 245/75 MTR, TJ Moabs, Front Truetrac/Rear Aussie, 4:10 gears, skids, recovery.
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