need some help with 1994 wrangler

i have a 1994 wrangler with the inline 4 at first i looked around to see how to get more power for it but from the looks of it my best bet is different gears im not sure on what mine are as far as im aware they are stock and i duno how to find out,i got 31in tires on it and it throws them around pretty nice but im looking for something better id like to be able to get going faster on my way to town and be able to climb hill's better sand,mud,dirt any advice would be great  

If its stock its 4.10's  
When you're finished....you're done

id go with 4.56s espically if you plan on bigger tires  
"WHEN IN DOUBT TACH IT OUT!"

mine was wheeled with 32x11.5x15 for years with stock drivetrain  33's will be okay but if you go over that you might just wanna swap axles to get 5.13 or 5.38 for 35's and up  if you wanna keep it a stocker 4.56or 4.88 on 31-33 will juice it up but you will lose some mileage on gas have fun and good luck  
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not only the founder of the white trash mafia im also a member

94 yj over the limit and out of control

4.56 or 4.88s for 31-33 is wayyyyy OVERKILL. 31-33 s with the 2.5 motor he wud be good with 3.73. he cud run 37s on 4.88s....my neighbor has a 2.5 clunker with a 5.5 rubicon express and he is runnin 37s on 4.88s  

i was runnin 35s on stock 4.10 gears and if there was a gear over 3rd i never saw it to keep stock power on a 4 banger with 35 the gears should be in the 4.98 area but the closest you will find with a d35 is 4.88 if you upgrade you can go 5.13 or 5.38 depending on the axle if hes runnin 37 on 4.88 i hope he upgrades the transmission or he'll blow out fourth and fifth on an ax-5 been there done it the best bet is to go 4.56 for 33's that way you have plenty of power when you need it... the dana 35 that these come stock with hate a bigger tire and sooner or later it will warp the housing and more than likely will butcher axles ....
freak tell your neighbor good luck and hope he has spare axles lyin around or good gussets for his axle housing  
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not only the founder of the white trash mafia im also a member

94 yj over the limit and out of control

ps the stock 2.5 clunker as you call it came stock with 4.10 and 29 inch tires for a reason  
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not only the founder of the white trash mafia im also a member

94 yj over the limit and out of control

thx for your guys suggestions theres a few different ones there and im not shure on wich to go with, i dont plan on going over 31" tires and no more then a 4 inch lift later down the road if that much, i wana get some of the power and mileage i may have lost with the bigger tires back (if it really is gonna help and be worth the cost), i only really go off road on weekends if that helps any.  

Anyone got an idea for my gear ratio for my 4 banger wit 31" tires  im staying with them
I got a few suggestions and got no idea what to use to get my power and mileage back it has 4.10s now so wouldn't 4.88 or 4.56s be my options now?  

i have a 98 tj with the 2.5 sitting on 33mt, i just put 4.88s on it got alot more power. i plan on going to a 35 vary soon, but i think 4.88 may be to much for you if your going to stay with the smaller tire. when i drive on the freeway its crazy cause i have to floor to do 75.  

ahh i was hopeing the 4.88s would be more help since im getting on average 9mpg and have to shift at 2500-2700 to actually accelerate decently after a shift and keep from hearing a loud vibration sound wich i hear if i shift befor 2500rpm  

if you dont plan on goin bigger than a 31 4.56 will be fine, i like to gear deep incase i want to go bigger, it just keeps me from having to have it geared again,  
"WHEN IN DOUBT TACH IT OUT!"

do u have any idea how the deeper gears are going to affect my crappy milage? i mean it cant get worse then the 9mpg im getting now could it?  

you prob get better milage, you will be doing more rpm's but you will be using a lot less throttle  
"WHEN IN DOUBT TACH IT OUT!"

thx for the help, how much higher are the rpms gonna get from this swap it already gets louder then my stero at about 2700