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Topic Review (Newest First)
08-01-2010 03:19 PM
cremaley 2010 Wrangler JK with 3.21 gears and no lift. Added 33x12.5's on 17 inch rims and lost MPG and power in 6th gear. Since installed Superchips Flashpaq, K & N Cold Air Kit and MBPR performace exhausts. Lots of low end power now and regained MPG lost with the bigger tires. 6th slightly better but still sucks. Will regear at some point in the future but for now very happy with low end power and better gas mileage.
07-31-2010 10:18 PM
thaduke2003 ^ Agreed with all of the above.
SEARCH!!!
Mark W.
07-31-2010 09:45 PM
daggo66
Quote:
Originally Posted by Black_Rocky_Mountain View Post
Hey all! Im new to this site and I have a few questions for a build I have planned for my 2010 Rocky Mountain.
Welcome to the forum.

Quote:
Originally Posted by Black_Rocky_Mountain View Post
I just got the jeep last month and so far I am very satisfied with the jeep. It came stock with the 32" rubicon tires and rims and it looks really sharp but like any enthusiast, Im not satisfied!

I do some off roading in the local area (mostly swamp and bushland) and I have a bit of a look in mind but before I get into that I have some basic questions to get me started.

Im running an auto tranny with a 3.73 gear ratio and I am curious as to what size tire I can go up to without over working the stock powertrain.

I am planning on doing a 4" long arm lift kit but Im not sure if this is too high. I live in northern Ontario which can have anywhere from 3-5 feet of snow in the winter time and quite a bit of rain in the summer. Not to mention the highways where I drive are always covered with copious amounts of ice.
The lift should be a function of the tire size you want to run. A lift itself is not going to hekp with anything you just mentioned, especially ice.

Quote:
Originally Posted by Black_Rocky_Mountain View Post
Last but not least! My final question is; by modifying the suspension/tires i understand that this will void some or most of the manufacturer warranty but does anyone know exactly what it will affect?
It varies by dealer.

Quote:
Originally Posted by Black_Rocky_Mountain View Post
To sum things up...
Whats the best tire size to run with 3.73 and an auto tranny without gear swap? What size lift would be best for all weather and medium terrain daily driver? And finally will I have any manufacturer warrenty left after doing so?
The best tire size to run with 3.73 and auto is the stock 32's you currently have. As far as your warranty, see above.

Quote:
Originally Posted by Black_Rocky_Mountain View Post
I know there is a lot of info here to take in but i figure specific questions will allow for more accurate answers. Thank you in advance!
Do you have a 2 door or 4? 4" on a 2 door is going to be expensive to do it right. Even with the 4 door you will most likely be looking at new driveshafts because of the automatic. If you're going to go 4" don't try to take the inexpensive route. It's going to cost some $ to get it right.
07-31-2010 09:30 PM
Black_Rocky_Mountain
questions regarding tire size, gear ratio and lift

Hey all! Im new to this site and I have a few questions for a build I have planned for my 2010 Unlimited Rocky Mountain.

I just got the jeep last month and so far I am very satisfied with the jeep. It came stock with the 32" rubicon tires and rims and it looks really sharp but like any enthusiast, Im not satisfied!

I do some off roading in the local area (mostly swamp and bushland) and I have a bit of a look in mind but before I get into that I have some basic questions to get me started.

Im running an auto tranny with a 3.73 gear ratio and I am curious as to what size tire I can go up to without over working the stock powertrain.

I am planning on doing a 4" long arm lift kit but Im not sure if this is too high. I live in northern Ontario which can have anywhere from 3-5 feet of snow in the winter time and quite a bit of rain in the summer. Not to mention the highways where I drive are always covered with copious amounts of ice.

Last but not least! My final question is; by modifying the suspension/tires i understand that this will void some or most of the manufacturer warranty but does anyone know exactly what it will affect?

To sum things up...
Whats the best tire size to run with 3.73 and an auto tranny without gear swap? What size lift would be best for all weather and medium terrain daily driver? And finally will I have any manufacturer warrenty left after doing so?

I know there is a lot of info here to take in but i figure specific questions will allow for more accurate answers. Thank you in advance!

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