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Old 02-26-2011, 06:45 PM   #1
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gearing

Hey guys first post here and hope to get alot of opinions here so feel free to let me know good or bad...ok 3 weeks ago i bought a 2010 wrangler sport brand new ,let me say i have been married for 25 years or since i was 17 years old wow that a long time lol..well all my life i have kept my wife in something new the whole time i have been married and told her this time its my time hehe.i have wanted a jeep for years so i went looking and found this jeep with pretty good price with some addons already on it..Well im sure so of you guys have had dealings with dealers and know how much fun that is right lol.so i talked to salesman and told him i needed thi jeep to pull my four wheeler and i didnt need it if it wouldnt do that ..now let me explain jeep has factory 4.5 lift nice rims and 37 inch tires.so i bought jeep under the understanding it would perform the way it should and guess what it doesnt turns out they didnt change gearing win adding those big tires..so to make a log story short i have been dealing with dealership and now they are going to put gears in my jeep.so here is question i need opinions on what gears are needed to make jeep perform like it should it has 3.21 in it now i have heard i need at least 5.13 any other opinions would be very helpfull so i can go to these guys to tell them what i need thatnks in advance Todd

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Old 02-26-2011, 07:42 PM   #2
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Do you have the Rubicon Dana 44 front axle? If so, then get 5.38 gears. Otherwise you'll have to settle for 5.13s. With 3.21s and 37s you'll never get out of second gear with a trailer in tow. With the 5.13s you'll at least be able to get into third, and can tow the trailer with your overdrive turned off.

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Old 02-26-2011, 07:51 PM   #3
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i have 6 speed in mine and it doesnt have the 44 on front think it a 33 they said i could do it but would have to change carrier
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Old 02-26-2011, 08:38 PM   #4
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This isn't what you want to hear, BUT...If it were me I'd sell the 37's & go with 35 inch tires and the 5.13's. That is if your bent on towing with this thing. You'll have to see if the lift looks too high rocking the 35's. Those 37's should be easy to sell. Gears are only the beginning of neccissary mods you will have to do to keep the jeep together running those large diameter, heavy azz tires.

Good luck. BTW, post us up some pics bud!!
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Old 02-26-2011, 09:46 PM   #5
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i have 6 speed in mine and it doesnt have the 44 on front think it a 33 they said i could do it but would have to change carrier
Well if you have the six speed that is better for you . The auto trans has a much deeper overdrive. 5.13s will help significantly with the six speed. Changing the carrier is no big deal, it only cost $60 to $80.
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Old 02-27-2011, 03:26 PM   #6
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thanks for the replies can you guys think of anything else to do to it as far as making perform better?
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Old 02-27-2011, 04:54 PM   #7
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Hopefully they did some work to the front axle if it's a dana 30. Sleeves and gussets are a must if you want to run 37's on that and not blow up your axle. Chromoly shafts would help too.
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Old 02-27-2011, 06:56 PM   #8
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You are gonna need new brakes every 3 months if you are really planning on running 37s and towing.
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Old 02-27-2011, 07:08 PM   #9
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thanks for the replies can you guys think of anything else to do to it as far as making perform better?
ya, a hemi, or at least a turbo charger. If those cost too much, get much lower gears or smaller tires.
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Old 02-27-2011, 08:15 PM   #10
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on the trailer thing i will vary rarely pull one just want to be able to when i need to as far as replaceing tires i am not against that but i bought jeep brand new and i will a least have to wear these out first lol.. as far as the gearing the dealer is paying for that, i am just trying to get enough input to make sure im not getting screwed
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Old 03-30-2011, 01:53 PM   #11
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Quote:
Originally Posted by ToddMc
on the trailer thing i will vary rarely pull one just want to be able to when i need to as far as replaceing tires i am not against that but i bought jeep brand new and i will a least have to wear these out first lol.. as far as the gearing the dealer is paying for that, i am just trying to get enough input to make sure im not getting screwed
Just get the highest gear ratios possible, sleeve and gusset your front axle if you have a d30, of course if the dealership is willing to help you.. Push for a d44 from a rubicon, that would solve basically all your problems
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Old 03-31-2011, 12:28 PM   #12
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Thats nuts - 37's on stock gears? ... if it is the 6spd go 5.13 or higher - thats what I have running 35's, 5.13's and it was the best investment I made.

Of course no one has mentioned driveshafts on a lifted 2 door like yours - did it come wth SYE driveshafts like a Tom Woods or equivelant? there is another grand right there, if that thing is still running stock driveshafts on a 2dr with 4.5" of lift.

Gearing is between 600-800/per axle
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Old 03-31-2011, 04:46 PM   #13
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gears have been put in for about 3 weeks now and i love it and it did make a world of differance very happy i had it done not time for more stuff
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Old 03-31-2011, 10:45 PM   #14
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Which size gears did you end up with?
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Old 04-01-2011, 07:21 PM   #15
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5.13s
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Old 04-01-2011, 08:51 PM   #16
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5.13s

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