3.21 axle ratio
JK Super Freak
Joined: Mar 2008
Posts: 1,673
Likes: 3
From: Alberta
this is true...but with 33's and 3.21's I can't imagine him twisting 'em apart, if you take flight you might bend one, it's a pretty safe set up. Though good to keep in mind that the more you add, the more you'll want to upgrade to take the stress...like axles, but I wouldn't be too concerned until you start adding lockers, 35's and 5.13's and are hard on the pedal
JK Enthusiast
Joined: Mar 2008
Posts: 384
Likes: 0
From: SE, South Dakota
Heeeeeeeeellllllllll no...have you seen the size of a 3.21 pinion head? It's HUGE! These gears are monstrous, your not gonna break anything with 33's and 3.21's....40's and 5.38's, now you can worry about breakage
take a look at this...that's a 3.21 on the left and a 4.10 on the right
take a look at this...that's a 3.21 on the left and a 4.10 on the right
Great pic! Thanks for this. Now, we won't have to worry about gear damage, how about clutch?
I noticed a big power loss with a move from 225/75-16 steel stockers to 265/75/16.. I can't imagine going to a full 33.
I am on the verge of re-gearing as soon as I can find someone local that can handle the job. Probably only to a 3.73. Just want to be able to pull a popup camper. 1000lb max on the 3.21/unlimited is a serious bummer.
JK Enthusiast
Joined: May 2009
Posts: 303
Likes: 1
From: Dubai
this is true...but with 33's and 3.21's I can't imagine him twisting 'em apart, if you take flight you might bend one, it's a pretty safe set up. Though good to keep in mind that the more you add, the more you'll want to upgrade to take the stress...like axles, but I wouldn't be too concerned until you start adding lockers, 35's and 5.13's and are hard on the pedal
I guess the weak part would be the clutch from now on like someone else has mentioned?