JK-Forum.com - The top destination for Jeep JK and JL Wrangler news, rumors, and discussion

Notices
Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

PLEASE DO NOT START SHOW & TELL TYPE THREADS IN THIS FORUM

35s and 3.21

Thread Tools
 
Old Jun 4, 2015 | 04:47 PM
Share
  #1  
2doorjkinblack's Avatar
2doorjkinblack
Thread Starter
JK Newbie
 
Joined: Jun 2013
Posts: 24
Likes: 0
From: Long Island , New York
Default 35s and 3.21
What's up I have a 13 jk auto running 35s and 3.21 , I did the procal tuner to account for the tires but I am thinking of regearing what geat should I go too? It's my daily and I plan to go to 37s when I need new rubber
Reply
0
Old Jun 4, 2015 | 05:07 PM
Share
  #2  
Ozzie's Avatar
Ozzie
JK Newbie
 
Joined: Dec 2013
Posts: 65
Likes: 0
From: San Antonio TX but from Nebraska
Default
Umm I would say atleast 4.56 - 4.88 gears. I have 4.10 and I am running 35s and no problems. Just a suggestion
Reply
0
Old Jun 4, 2015 | 05:18 PM
Share
  #3  
Beemerman's Avatar
Beemerman
JK Enthusiast
 
Joined: Jun 2014
Posts: 103
Likes: 0
From: Daytona Beach. Fl.
Default
I would do 488 if you gonna do 37s. I have 35s and run 456.

Sent from my iPad using JK-Forum
Reply
0
Old Jun 4, 2015 | 05:50 PM
Share
  #4  
ade's Avatar
ade
JK Enthusiast
 
Joined: Apr 2014
Posts: 479
Likes: 0
From: Alameda, CA
Default
4.56 with the 3.6 is good and will keep the revs down at highway speeds. If you do a lot of crawling 4.88 would help.
Reply
0
Old Jun 5, 2015 | 05:38 PM
Share
  #5  
2doorjkinblack's Avatar
2doorjkinblack
Thread Starter
JK Newbie
 
Joined: Jun 2013
Posts: 24
Likes: 0
From: Long Island , New York
Default
Would 5.13 be too much?
Reply
0
Old Jun 5, 2015 | 06:47 PM
Share
  #6  
twofourflinching's Avatar
twofourflinching
JK Enthusiast
 
Joined: Feb 2014
Posts: 349
Likes: 0
From: RSM, CA
Default
Originally Posted by 2doorjkinblack
Would 5.13 be too much?
4.88 would be sweet spot with 37s
Reply
0
Old Jun 6, 2015 | 05:10 AM
Share
  #7  
12JKjeep's Avatar
12JKjeep
JK Enthusiast
 
Joined: Jan 2014
Posts: 129
Likes: 0
Default
Originally Posted by 2doorjkinblack
Would 5.13 be too much?
no need for 5:13 on a 2012 or newer jk unless your going up larger then 37's. I run 4:88 with 37's and it's great off-road. Rpm's are a little high on the highway but not to bad.
Last edited by 12JKjeep; Jun 6, 2015 at 06:03 AM.
Reply
0

Trending Topics

Old Jun 6, 2015 | 03:39 PM
Share
  #8  
2doorjkinblack's Avatar
2doorjkinblack
Thread Starter
JK Newbie
 
Joined: Jun 2013
Posts: 24
Likes: 0
From: Long Island , New York
Default
Ok cool thank you what's the logic behind it though 4.88 5.13 5.38 , 35 37 40 what would be the difference or the benefits of the ratios?
Reply
0
Old Jun 6, 2015 | 05:09 PM
Share
  #9  
kmrtnsn's Avatar
kmrtnsn
JK Freak
10 Year Member
 
Joined: Apr 2013
Posts: 896
Likes: 5
From: Ventura, CA
Default
Daily driver and 37"s? I hope you planning on upgrading to Dana 60s front and rear with the regear.
Reply
0
Old Jun 7, 2015 | 08:01 AM
Share
  #10  
Mike H.'s Avatar
Mike H.
JK Enthusiast
 
Joined: Dec 2014
Posts: 230
Likes: 3
From: Phoenix AZ
Default
I don't know how people can recommend a gear ratio without knowing if you wheel, what terrain you wheel, how you wheel, which t-case you have, what daily driver means to you or what the speed limits are in your area?
Reply
0



Advanced Search

All times are GMT -8. The time now is 12:28 PM.