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Old April 4th, 2006, 01:26 PM   #21
BMFmike
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Quote:
Originally Posted by bogginboy
im running 410s and 33 in an lock amc 20 and i cruise at about 75 at about 1900 rpms
Brilliant!!!
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Old April 4th, 2006, 04:26 PM   #22
KILLER"B"468
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HAHAHA I fgorgot the Lil tikes jeep was a Sahara. Also I was tired didn't I read the tag on the diff that said 3.73's :miff: myself. I am so use to converting the 3.07's for people.

John you will be fine with the 33's......
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Old April 4th, 2006, 04:41 PM   #23
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Originally Posted by KILLER"B&quot View Post
33" tires with 3.73's and a 5 speed you will cruise at 2,200-2,300 rpm's at 75mph. See what R's you are turning now at 75mph I bet you will only gain like 500 rpm's and will be fine. Mudqueen runs 4.10's and 33's and drives 80mph all the time.

80? shit her and chris were going 90 coming back from g-man's last year. 4.88's and 35's I couldn't keep up.
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Old April 4th, 2006, 04:46 PM   #24
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Quote:
Originally Posted by Saharaboy
I know with 4.10's I would be good, I just wasn't sure if it was pushing the envelope or 32's would be a better bet
I run 35's with 3.54's, I ran 33's no problem on my old YJ with 3.08's

you won't notice a difference from 32's to 33's
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Old April 5th, 2006, 01:06 AM   #25
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I have been running 35s with a locked d35 with 3.73s for well over a year now with no problems and it is great on the highway. If you want to drive it to see the power difference let me know.
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Old April 5th, 2006, 09:01 AM   #26
FrankNBrew
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Originally Posted by Saharaboy
I have about $400 to spend so its a deal?
Maybe if you blow CC he'll give you the difference.
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Old April 5th, 2006, 09:34 AM   #27
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Quote:
Originally Posted by KILLER"B&quot View Post
HAHAHA I fgorgot the Lil tikes jeep was a Sahara. Also I was tired didn't I read the tag on the diff that said 3.73's :miff: myself. I am so use to converting the 3.07's for people.

John you will be fine with the 33's......
There are no tags at all on my jeep, I took them off(mainly cause I forgot to put them back on when I changed fluid) but I still have them and they are 3.73!!
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Old April 5th, 2006, 10:14 AM   #28
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You'll be fine with 33's. You won't really notice a loss in power and I wouldn't worry about breaking anything. I know plenty of guys running 35's on a D35 that drive it daily with no problem (except for PB Troy that keeps breaking axle shafts :tonka:) but I'm sure you'll be fine.
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Old April 5th, 2006, 11:19 AM   #29
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Its all in your preference.


By the way, what year is your Jeep? Not all years had 3.73s, and no, it wasn't a standard option on Saharas. Origianlly, 3.08s were the only gears, even with 30" tires.

97s had 3.55s as an option. In 97 jeeps (2 years production), 3.73s were only available with the 4 cyl automatic models. 6 cyls had 3.08s or 3.55s only.


Post up what year your Jeep is, what your present tire size is, and what your RPM is at some speed in some gear (like 2500 rpm @ 75 mph in 5th gear)

If you take a wire brush and clean the front diff cover, you might find the stamp. My TJs had the gear ratio punched directly into the axle cover, not on the old standard tags.



My personal experience: I had two TJs both with 3.73 gears and 31s. Both could have used 4.11s in my opinion. For 33s, I'd have run 4.56s.

My TJ was ordered with 3.73 gears(dana 44) and 27" tires. There is no mileage difference between the two.

People are afraid to spin their engines.


But, if you don't feel like putting gears in it, then just toss on the tires and run it. If you have 3.73s you'll be able to use 5th gear, if you have 3.08s, you won't. At least in inclines or headwinds.
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