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View Full Version : 3.21 vs. 4.10



bim6180
03-10-2007, 12:26 AM
Hi all,

i'm planning to get JK with 3.21 gearing / 6 speed / 2 door. If i put 285/75/16 on it without lift, how will the engine performace going to be?

any input is appreciated

bubblehead
03-10-2007, 01:17 AM
I have a 2dr with 3.21 6sp and am running the 18's that came off of my 4 door, no loss of power noticed. As soon as I can find some rims I am putting 35s on the booger:friday:

Hill, Bill E
03-10-2007, 01:42 AM
:Welcome: to the board bim!!:happy:

bim6180
03-10-2007, 11:28 AM
well... went to the dealer first thing this morning, and they found me one with 4.10 ratio...i went ahead and order the thing....yehaww....

Should be here monday or tuesday....can't wait..

JK X with s package and 4.10 ratio, plus 7 speakers and 6 disc player....

let the mod begin :D

04DrBlur
03-10-2007, 02:05 PM
Most definitely get at least the 4.10 if you plan on anything over a 33. Mine with the 3.21 is ok around town but a total dog on the interstate hills.

BustaBizz
03-10-2007, 02:15 PM
You will definitely be much happier with the 4.10's, good choice.

Piginajeep
03-10-2007, 04:27 PM
You will definitely be much happier with the 4.10's, good choice.

yep. my 2 door stock ran like a Monkey on meth,
it was unbelieveable how quick it was.

with 35's its still quick around town. on the interstate, not so much.

bim6180
03-10-2007, 05:12 PM
yeah....i was definitely glad when the dealer said that they located a jeep with 4.10 for me....that made my day :D

2k2wranglerx
03-11-2007, 12:29 AM
you want 4.10's

i have 3.21's with 33's and i wish i had 4.10s. it does on with the 33's . .but with 4.10's itd be way better.