Power loss with 33's? - JeepForum.com
 
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post #1 of 15 Old 05-28-2003, 01:35 PM Thread Starter
Mastaman65
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Power loss with 33's?

Hey guys I'm just tryin to plan ahead here before I do too much too early. I'm thinking I would like to get the rusty's 6" lift and go for 33's. However recently I read that there may be some issues with power loss. If so how bad is it with the 4.0? thanks
Oh and before I forget has anyone out there used the Rusty's 6" lift kit if so how do you like it, or what have you heard, thanks again!

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post #2 of 15 Old 05-28-2003, 01:59 PM
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re gear and it will almost seem normal um but it costs mega $ if you don't know someone .
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post #3 of 15 Old 05-28-2003, 10:10 PM Thread Starter
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does anyone use Rusty's at all??
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post #4 of 15 Old 05-28-2003, 10:48 PM
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Quote:
Originally posted by Mastaman65
does anyone use Rusty's at all??
Yeah, just not his suspension products.

On the gearing issue, I can feel the loss of power when I went to 31's. You could attempt to run 32's on stock gearing but its far from ideal. 33's - I wouldn't even consider it - regear to 4.56 if you have an auto.

Eric
2000 XJ "PROJECT RUBICON" 3-link front / 4-link rear / coilovers / running 37's on Dana 60s
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post #5 of 15 Old 06-01-2003, 09:36 PM
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gears

I ran 33's with 3.07's for 10 months, not good. I just put in axles with 4.11's from a junk yard Jeep. I cost me less ($225.00) to buy two axles than to regear one of my original axles. I can get into first without slipping the clutch anymore, and with 4to1 t-case gears I'm at a 62'ish:1 crawl ratio.
If you can change you can swap axles, setting up gears is another issue. Just a thought.

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post #6 of 15 Old 06-01-2003, 09:38 PM
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gears

I ran 33's with 3.07's for 10 months, not good. I just put in axles with 4.11's from a junk yard Jeep. I cost me less ($225.00) to buy two axles than to regear one of my original axles. I can get into first without slipping the clutch anymore, and with 4to1 t-case gears I'm at a 62'ish:1 crawl ratio.
If you can change your shorts you can swap axles, setting up gears is another issue. Just a thought.

Doogie
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post #7 of 15 Old 06-01-2003, 11:08 PM
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I have the auto with 33s and 3.55s. It's still pretty peppy of the line and around town. The only real problem is on the freeway, just stick it in 3rd and it will still pull real strong and cruises at 70 mph or so @2600rpm
If you have an auto I think you can get by for however long you need to until you can afford to regear.

I'll be going to 4.56s eventually.

'97 Cherokee Country RE 5.5", 35" Goodyear MT/Rs, RRO Step-Rails, Skid-Row TC and gas tank skids, BPI bumpers, Dynatrac HP44 and Spider9/Tru Hi9 with 4.88s, Explorer discs, and detroits.
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post #8 of 15 Old 06-02-2003, 12:37 AM
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I was wondering about the same question since im hoping to go to 33's. I went up to 32's now at 31's because of rubbing but never felt a difference in power. I have a 4.0 high output with a 5 speed. I went from completly stock to 4 inches of lift and 32's without feeling a difference, would 33's really really be much different than the 32's?
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post #9 of 15 Old 06-02-2003, 01:22 PM
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I felt a sure difference when i went from stock to 30's. 33's cant be good stock. I also have a 4.0 HO manual. Fork out the money and do it the rite way if your gona go to 33's.

00' Cherokee XJ. K&N Intake. 31 x 10.5 Kumho MT, 3" lift, Pre-runner bar.

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post #10 of 15 Old 06-02-2003, 08:36 PM
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With the automagic the power loss is not felt as much. So I say if you have a 5 speed your going to have to regear. With auto I would try it out, I went from stock to 31x10.50s and didn't feel any loss.
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post #11 of 15 Old 06-02-2003, 10:01 PM
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Quote:
Originally posted by EricsXJ

Yeah, just not his suspension products.

On the gearing issue, I can feel the loss of power when I went to 31's. You could attempt to run 32's on stock gearing but its far from ideal. 33's - I wouldn't even consider it - regear to 4.56 if you have an auto.
I thought 4.10s were the number for 33s & auto? if you're trying to get closer to stock.... I thought 4.56 were a little steep...

... an no sidewindin' bushwackin', hornswagglin' cracker croaker is gonna rouin me bishen cutter.
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post #12 of 15 Old 06-03-2003, 03:12 AM
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Quote:
Originally posted by brcomputer


I thought 4.10s were the number for 33s & auto? if you're trying to get closer to stock.... I thought 4.56 were a little steep...
Everything I have researched so far (including talking to those who have run 4.56 with 33's) has me convinced that 4.56 is the way to go. I was even going to run 4.56 with 32's but I've decided I want to go bigger on the tires and go 33's. Honestly I think 4.11 would be perfect for 31's but thats only if you are never going to go bigger. I only want to re-gear once.

Eric
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post #13 of 15 Old 06-03-2003, 11:52 AM
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good luck eric, i don't know what the o.d. is on an auto jeep but yeah my friends yj ( ax 15 with 35s and 4.56 gears ) that thing pulls like 2700 @ around 70 going down the interstate which seems like a little much to me but the power would be nice.
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post #14 of 15 Old 06-03-2003, 04:10 PM
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Yeah with a manual tranny you don't need as low a gear. Stock gearing with manual tranny is usually 3.07 compared to 3.55 which is stock with an auto tranny...

Eric
2000 XJ "PROJECT RUBICON" 3-link front / 4-link rear / coilovers / running 37's on Dana 60s
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post #15 of 15 Old 06-03-2003, 06:28 PM
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If you are running mostly on the road with trail use now and then because your jeep is a daily driver, I would go with 4.56 if you have an auto and 4.10 if you have a stick running 33's. Then if you need more gear go to the 4.1 transfer case kit. I am running 4.10 with 33's and a 5 speed and it is great. I would like to have a 4.1 kit though someday for trail use. Only to have a better crawl ratio. Like the Rubi.

You almost never will have too low a gear for the trails but you can on the road!
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