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Old 01-28-2014, 01:24 AM   #1
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What gears, need advice

I have a 94 yj with a 4.0 man and 3.07 gears. I'm running 33's. I am thinking hard about a gear swap but don't know if I should do the 3.73's or 4.10's. I use it as my daily driver and kinda want the best of both worlds on and off road. Any advice would be really appreciated. Here is what she looks like before and after.
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Old 01-28-2014, 01:25 AM   #2
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Old 01-28-2014, 06:49 AM   #3
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Looks nice, I was in the same position as you with the 3.07. I don't get really crazy so I went with 4.10. It really woke my jeep up!
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Old 01-28-2014, 08:57 PM   #4
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4.10s came in most 4 Bangers, should be cheap and easy to find.
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Old 01-29-2014, 12:10 AM   #5
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I have 307's on 235's right now in a few weeks I'll be ordering my lift and swapping my fairly new 33's onto my YJ from my XJ I'll also be swapping in 4 cylinder axles at the same time.
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Old 01-29-2014, 09:16 PM   #6
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I've got 235s and the 3.07s with an TF999, if and when I go to 33" I plan on 4.10s from a 4 banger.
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Old 01-29-2014, 10:18 PM   #7
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Ah, I remember your Jeep. Love that Silver color.

I think you would be very happy with 4:10's. 33's 4:10's & the 4.0 are a great combo.
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Old 01-30-2014, 04:51 AM   #8
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Yep, like they all said...4.10's are the way to go. The 3.73's will still be lacking in the power dept. when you are trying to turn the 33's off road. Just be prepared for the loss of MPG...I bet you are under powered right now, but your MPG is probably around 20? Once you get 4.10's in it you will be back down in the low teens, but you will have gobs of power. Can't have both. Well, you can...take the 33's off and go back to a stock 27" tall tire.
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Old 02-01-2014, 07:38 PM   #9
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I'd go with the 4.10's as well. I swapped my 3.07's for 4.10's so I could turn 33x12.50's with a 6 cylinder. You won't be disappointed.
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Old 02-17-2014, 09:36 PM   #10
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At what rpm's are you guys running with 4:10's and 33's at highway speeds. 70 mph
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Old 02-17-2014, 09:50 PM   #11
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If my memory serves me well, the last time I was on the highway it turned out 2,000-2,100 RPMS at 70
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Old 02-18-2014, 08:02 AM   #12
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Mine at 65 mph is right at 2000 when at 75 it's around 2500.

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