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Old 01-15-2013, 05:29 PM   #1
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99 TJ 4 needs more power

I need some suggestions on easy ways to improve the power of my 99 TJ 4cyl!

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Old 01-23-2013, 09:54 PM   #2
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Give it up. Do a search on 4 Banger performance mods and get used to driving slow in the meantime.

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Old 01-24-2013, 09:09 AM   #3
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I have a 98 and I come to the realization that there really isn't much power to squeeze out of them. The best thing I found was gears. I run 5.13's with 33's and it works out well.
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Old 01-31-2013, 07:57 PM   #4
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^ What he said. Regear!
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Old 02-01-2013, 09:39 PM   #5
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Is re gearing a simple thing to do? Was looking into doing mine
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Old 02-01-2013, 09:46 PM   #6
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^ It is a costly upgrade but definitely worth every penny, nickel, dime and hundred dollar bill you spend.
It is a task that you need to know what your doing and take your time doing it. Time and patience is needed to make sure that you are shimmed properly so that the gears match/ mate with the right amount of space between them.
But then after the gears are bought you might as well purchase lockers because you'll probably need carriers.
Just my thoughts.
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Old 02-01-2013, 10:11 PM   #7
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This was the best day of owning a 99 4 banger.

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Old 02-01-2013, 10:15 PM   #8
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Correction. Perhaps that was the second best day of owning a 4 banger. This would be the first best day.

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Old 02-01-2013, 10:18 PM   #9
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Quote:
Originally Posted by Hums99
^ It is a costly upgrade but definitely worth every penny, nickel, dime and hundred dollar bill you spend.
It is a task that you need to know what your doing and take your time doing it. Time and patience is needed to make sure that you are shimmed properly so that the gears match/ mate with the right amount of space between them.
But then after the gears are bought you might as well purchase lockers because you'll probably need carriers.
Just my thoughts.
I'm guessing if ur like me, an don't know what the heck I'm doing. I should c a professional. Lol
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Old 02-02-2013, 01:12 AM   #10
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You could re gear it yourself if you really wanted to and save yourself alot of doe. But you have to know what your doing and unless you have access to the right tools you really shouldn't even bother because you cant do it. There are many places online that sell re-gear kits or w/e you want to call them. Basically what you do it take your whole axle apart, front and rear because the ratios must be the same. OR ELSE!!! And well to put it simply you are replacing the ring and pinion and some other things. Your not actually pulling your transmission apart just the differencials. You could spend like $400 on the actual kit and well if you paid someone to do it you could spend over a grand easy. It just comes down to what you want to do with your jeep i guess.

^ but yes i would call a few places if i were you and get some quotes because setting the backlash amoung other things can be tricky
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Old 02-02-2013, 01:30 AM   #11
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I had a 4 and I waisted lots of money gearing it putting headers exhaust with intake and spacer and throttle body and chip. Did noticed a big time difference but I got into my fiends stock six o my couldn't compare although I did somewhat better off roading but on the road nah wasn't worth it since it was my dd. get a six or a hemi

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