From larger to smaller tires - Jeep Wrangler Forum
Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > General Jeep Discussions > Tires & Wheels

Join Wrangler Forum Today


Reply
 
Thread Tools

Please support our sponsors and let them know you heard about them on WranglerForum.com
Old 08-07-2012, 06:53 PM   #1
Newb
 
Join Date: Aug 2012
Posts: 2
From larger to smaller tires

I apologize in advance for any ignorance. I have a 4 cylinder, 2001 Jeep Wrangler 5 spd manual. It has about a 3in.-4in. lift and the tires specs are: 33 x 12.5 OR15L7 108 R M+S. My Jeep, currently, is very slow in acceleration. It seems to struggle at highway speeds and I don't push it past 60 mph. It is fine on residential roads but I think the bulky tires are slowing it down on the interstate/highway. I rarely take it off road (the previous owner did take it off road frequently), the treads are almost worn out, and I'm just looking for a good tire replacement that will get me better mpgs and something that will make my Jeep a little faster. I would like the same tire height, just skinnier, I guess. Also, would I have to buy new rims if I did get skinnier tires? I guess the rims would have to match specifications for new tires.I'm assuming that the axles will need to be re-geared as well. Any information would be really helpful. Thanks!

Gorbenshore is offline   Quote Quick Reply
Old 08-07-2012, 06:55 PM   #2
Jeeper
 
LouieDelTorchio's Avatar
 
Join Date: Nov 2011
Location: Sacramento, CA
Posts: 1,221
Images: 1
Send a message via MSN to LouieDelTorchio Send a message via Skype™ to LouieDelTorchio
Going down to 31s might look a little funky at 4" of lift. To be honest, the biggest thing you can do is regear and thats about it.

__________________
Louie Del Torchio
LouieDelTorchio is offline   Quote Quick Reply
Old 08-10-2012, 10:53 PM   #3
Newb
 
Join Date: Aug 2012
Posts: 2
Thanks for the info
Gorbenshore is offline   Quote Quick Reply
Old 08-10-2012, 11:05 PM   #4
Jeeper
 
BadMojo11's Avatar
 
Join Date: Jun 2012
Location: Lawrenceville, NJ
Posts: 237
Images: 4
Get some 32x11.5 tires if you want to go skinner. That's what I'd do. Also make sure you do a full tune up and make sure there are no other problems causing you to lose power.

What gearing do you have? Cause I have the 4cyl, 4.10 gearing, with 35x14.5(!!!!) and while it sometimes struggles to accelerate, yours sounds much worse. Which doesn't make much sense unless you have 3.07s and/or some power issues.
__________________
92 YJ. 2.5 (temporarily) 5spd. 5" lift. 35"x14.5" Super Swamper Thornbirds.
BadMojo11 is offline   Quote Quick Reply
Old 08-11-2012, 12:02 PM   #5
Jeeper
 
TJNewbie's Avatar
 
Join Date: Dec 2009
Location: Robertsdale,AL (Lower Alabama)
Posts: 1,801
Didn't the 2.5L (4cyl) come with 4.10s? I'd try a lighter tire, the Goodyear Duratrac in the 33x12.5x15 is one of the lightest tires you'll find in that size. also when you mount it on a 15x8" wheel it actually measures 32x11.50. I have them on my TJ. also lighter wheels will help, what kind of wheels are on there now?
TJNewbie is offline   Quote Quick Reply
Old 08-11-2012, 12:15 PM   #6
Jeeper
 
LouieDelTorchio's Avatar
 
Join Date: Nov 2011
Location: Sacramento, CA
Posts: 1,221
Images: 1
Send a message via MSN to LouieDelTorchio Send a message via Skype™ to LouieDelTorchio
Quote:
Originally Posted by TJNewbie
Didn't the 2.5L (4cyl) come with 4.10s? I'd try a lighter tire, the Goodyear Duratrac in the 33x12.5x15 is one of the lightest tires you'll find in that size. also when you mount it on a 15x8" wheel it actually measures 32x11.50. I have them on my TJ. also lighter wheels will help, what kind of wheels are on there now?
This is true, 4 bangers have 4.10s
__________________
Louie Del Torchio
LouieDelTorchio is offline   Quote Quick Reply
Old 08-11-2012, 12:54 PM   #7
Jeeper
 
BadMojo11's Avatar
 
Join Date: Jun 2012
Location: Lawrenceville, NJ
Posts: 237
Images: 4
Yeah I wasn't sure what they put in the TJs. Ive only owned YJs.

__________________
92 YJ. 2.5 (temporarily) 5spd. 5" lift. 35"x14.5" Super Swamper Thornbirds.
BadMojo11 is offline   Quote Quick Reply
Reply

Tags
acceleration , faster , fuel economy , tire advice

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Jeep Wrangler Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off




Download our Mobile App

» Network Links
»Jeep Parts
» Featured Product

All times are GMT -5. The time now is 11:11 PM.



Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC.
Wranglerforum.com is not in any way associated with the Chrysler Motors LLC