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Old 04-04-2012, 04:49 PM   #1
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LOL, put on 31" and now I need a 4.0

Hi all, I put on some 31" today...and the TJ will now run from 0 to 60 in ...a day and a half?

I thought I read somewhere I had 4.11 gears...but a buddy of mine with the same TJ says his has 3.73...

So now I'm confused. It's your everyday D30/D35 setup..1998 four banger TJ. I know, this has been asked probably a gazilion times..but...do I change gears? And if so, to what?


It does look good though


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Old 04-04-2012, 05:22 PM   #2
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Manual or auto trans?

Check the metal tag on your rear pumpkin.

My 31's with 4.10's and manual isn't bad...but I let the motor rev above 4K before I shift.

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Old 04-04-2012, 06:08 PM   #3
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5 speed manual AX-5
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Old 04-04-2012, 06:14 PM   #4
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You should have 4.10's with the 4cyl. Your buddy must have the 4.0
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Old 04-04-2012, 07:33 PM   #5
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That does look good.

Keith
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Old 04-05-2012, 06:52 AM   #6
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Quote:
Originally Posted by gixxerphil View Post
You should have 4.10's with the 4cyl. Your buddy must have the 4.0
I think my 'buddy' is an idiot, which now has a 4.10 rear and a 3,73 front. (he bought his TJ with an empty front axle..never mind long story) His is a 4banger manual too.

Oh boy, how do I not want to be near him when he uses 4lo for the first time.

I'll check the tag on the rear axle, as I said I was convinced it has 4.10 like my Liberty.

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