RPM with 33" tires and 4.11 gears

[Twisted289]

Hello all. I'm looking at re-gearing my JK. I have an auto trans and currently have 3.21 w my 33" tires. It's not too bad but looking to up my towing capabilities. I've done the mat and was curious if anyone can confirm that with 4.11 gears and 33" tires I would be running between 2400-2500 RPM @ 70 mph? Thanks...

 

[cpwolf]

Gear Ratio Calculator

Have you taken the time to look at the above website? You enter your information, and you’ll get what you’re looking for to Confirm.

 

[Chris]

Yep, I second that link above. That calculator is a great (and accurate) tool.