3rd Gen Ring & Pinion

[02SR52WD]

Im the proud new owner of a 2002 Sr5 2wd and lovin it! Its actually my 2nd 4Runn, My first was a 91 sr5 4x4 and I still miss it!

My question concerns the ring and pinion set up in my 02. My truck came with 225/75/15 (wimpy) tires instead of the 265/70's that you normally see. I recently put 31 x 10.5 BFGs on it and I think I want to change the gear ratio.

According to Toyota, I have a 3.72 now and the trucks that come with 265/70's have a 4.10. I think I'd like to change mine to a 4.11. Im gonna be pulling a 6' x 8' enclosed trailer packed with band equip. and 3 band mates inside.

Any advice for me?? Im having trouble locating any info on this!!

btw, what is IFS??

 

[ebelen1]

Im the proud new owner of a 2002 Sr5 2wd and lovin it! Its actually my 2nd 4Runn, My first was a 91 sr5 4x4 and I still miss it!

My question concerns the ring and pinion set up in my 02. My truck came with 225/75/15 (wimpy) tires instead of the 265/70's that you normally see. I recently put 31 x 10.5 BFGs on it and I think I want to change the gear ratio.

According to Toyota, I have a 3.72 now and the trucks that come with 265/70's have a 4.10. I think I'd like to change mine to a 4.11. Im gonna be pulling a 6' x 8' enclosed trailer packed with band equip. and 3 band mates inside.

Any advice for me?? Im having trouble locating any info on this!!

btw, what is IFS??

It would be best to regear if you want to get to stock feel, especially if you plan on towing. Depending on where you are, a full regear for the rear diff should run about $600 w/ gears, master install kit and labor.

IFS is independent front suspension.

 

[Rock Slide]

ebelen1 is right. If you want to get back to stock feel w/ the 31" tires, then regear. Your best gear ratio would be the 4.11s. Keep in mind, if you ever plan on adding larger tires, then you'd want to use 4.56 gears, or my personal favorite w/ 33" tires, 4.88s.

Plus, your speedo is probably a little off, since it was set for smaller tires. Getting new gears installed will bring the speedometer back inline with where it should be. Until then, just remember you're probably going a few miles faster than your speedo reads.

 

[Rock Slide]

Oh yeah, I forgot, here's a link to a gear chart. Don't hold me to its truthfullness, I have not personally completed these tests.

http://www.onandoffroad4wheeldrive.com/gear_ratio_guide.htm

 

[ebelen1]

ebelen1 is right. If you want to get back to stock feel w/ the 31" tires, then regear. Your best gear ratio would be the 4.11s. Keep in mind, if you ever plan on adding larger tires, then you'd want to use 4.56 gears, or my personal favorite w/ 33" tires, 4.88s.

Plus, your speedo is probably a little off, since it was set for smaller tires. Getting new gears installed will bring the speedometer back inline with where it should be. Until then, just remember you're probably going a few miles faster than your speedo reads.

Rockslide, do you have 4.56's in your 3rd gen 2WD?

If you do, do mind telling us what you paid for the regear? Also, did you add a locker at the same time?

 

[Rock Slide]

Originally posted by ebelen1
Rockslide, do you have 4.56's in your 3rd gen 2WD?

If you do, do mind telling us what you paid for the regear? Also, did you add a locker at the same time?

No I still have the stock 3.90s in my '99 b/c it came w/ those small crappy rims and tires. I've upgraded my rims and tires to 16" and 31x10.50s. I don't tow w/ it or carry passengers in this one. I'd like to regear, but I'm trying to sell it at the moment.

I can tell you, I had 4.88s installed in the front and rear of a 4WD '86 4Runner I used to have and it was $1100 total. That included the Precision Gears frt & rr, the rear Detroit Locker and the labor for all of it. I came out good, b/c the guy said that price was for Jeeps and that he quoted me the wrong price. He said it should've been $1400.00, but sine he told me $1100, he'd honor that.

Prices depend on your area, but from what I've seen, expect to pay anywhere from $500-$1000 on a 2WD model. Usually places charge $250-$300 for labor, the gear cost around 2-3, and a decent locker around the same. Some places won't charge you an extra labor cost w/ installing the locker, b/c they are already tearing apart the rear end to install new gears. Your best bet is to call around and ask others where they had their gears installed at. A cheap price isn't always the best route to take when having gear work done.