Gear recommendation for 4 cyl and 33 tires - JeepForum.com
 
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post #1 of 11 Old 10-03-2011, 09:13 AM Thread Starter
DGRobles
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Gear recommendation for 4 cyl and 33 tires

Hello, I made some search but I am a little confused.

I bought a '02 TJ with 4 cylinders, 5 speed manual, it has 4.11 axles (D30 and D35), 31" tires and 3in lift. As you imagine the Jeep look not so nice with much space between the tire and the flare, so I'm planning to change those 31" for a 33" tires but I do not want to loose driveability (power and accel) considering that it's going to be my daily drive Jeep...

So, I am planning to upgrade the gear ratio to 4.56 or 4.88 but I still have doubts:

1. Whats better?.... 4.56 or 4.88?
2. Do I need to change carriers if I'm going to upgrade to any of these two options?


Thanks in advance...


Diego Robles / XE1XZQ
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post #2 of 11 Old 10-03-2011, 09:40 AM
flying_bosun
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Use the gear calculator link in my sig to figure out where you want to be. Others will offer info on the hardware.

Gear-Calculator Stu Can Help You Part Names and Numbers Dealer Supplied Parts and ask for "Jeep Club" Prices


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post #3 of 11 Old 10-03-2011, 09:49 AM
TheBoogieman
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4.88's.
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post #4 of 11 Old 10-03-2011, 10:18 AM
robncar
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Quote:
Originally Posted by TheBoogieman
4.88's.
I concur!

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post #5 of 11 Old 10-03-2011, 10:34 AM Thread Starter
DGRobles
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And what about the carriers on both axles?... do I need to change them if I move to 4.88?

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post #6 of 11 Old 10-03-2011, 10:36 AM
jeepinmichguy_
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Nope, you're good.

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post #7 of 11 Old 10-03-2011, 10:36 AM
theducksguts
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you shouldn't need to change the carrier. Carrier break is at 3.73 IIRC
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post #8 of 11 Old 10-03-2011, 11:53 AM
MO2500
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Definitely 4.88s and as others have said, you can re-use the stock carriers.

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post #9 of 11 Old 10-03-2011, 01:09 PM Thread Starter
DGRobles
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Great!... Thanks for the help and advice on this !!

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post #10 of 11 Old 10-03-2011, 01:26 PM
alexr40
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5speed = 4.88s

1998 Jeep Wrangler 2.5L Turbo @11psi
Locked Front & Rear, 4.56s, 4:1 low range with 2LO. 35's with Beadlocks .

2005 WK Limited 4.7L - 4x4 (QT-II)
2" RC Lift, 265/70/17 BFG AT/KO, OME Rear Shocks, Saguaro Shackle Mounts, Mopar OEM Hitch
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post #11 of 11 Old 10-03-2011, 04:33 PM
mukluk
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Oh, and in case you're still uncertain, go with the 4.88s

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