Anyone with 4.56 gears and 31" Tires?

I have a 98 2.7L 4x4 manual with stock gears 3.58.... I have 31" tires and it is really geared wrong. They really should be 4.10.

I would love to put 4.10 or 4.30 but they are tough to come by.

Does anyone have 4.56 gears with 31" or 32" Tires. Is this too low of a gear for driving on the highway? I would like to drive 80mph with decent gas mileage and decent power. I prefer not to have really high RPM. Although with 3.58 and 31" Tires I often run it in 4th gear with about 4000 RPM. So if it is less RPM than that at 80mph in 5th gear that would be great!

My vehicle is a daily driver so highway performance is 1st priority and off road is second.

I have read different websites and forums and everyone suggest something different.

Really looking for someones opinion who has 31" Tires with 4.56 gears

- I really appreciate it!

 

this will give you answers but you need to know your overdrive ratio

http://www.csgnetwork.com/rpmcalc.html

mines .81 for overdrive idk about yours

 

toycar18,

My '02 Tacoma has the 2.7 4-banga with 265/70-16's and I have 4.56 BUT I also have an auto ....lets just say highway speeds are NOT a problem,even with a loaded cab,bed and 2 people.....Buffalo,NY to NH it never blinked ....

S

 

That helps.... but I am really looking for real world answers instead of theory. Although it is pretty close to what my engine RPM with my gear ratio is now


Thanks!!!

 

Approx what engine RPM do you have at 80 MPH?... if you recall and have a odometer.

Thanks

 

I will have to post "that answer" after work saturday,only turnpike time my truck sees all week....

S

 

I'm 5 lug with 456's and 32" tires pullin 70mph when the speedo says 80 if that helps. It is a bit buzzy on the freeway. In the slow speeds it is about 5mph off.

 

^ i think he is asking for the rpm's at that speed

 

I have a 99 2.7 5 sp 4x4 with 4.10s. when i ran 31s, at 80 mph i was hittin 3000 rpms in 5th gear.

 

I don't do 80mph for sure on street.... it's a little over 3000rpms at 80mph

 

toycar18,

2800 at the speed you asked about.....



S