31's too small on a 2.5 inch lift?

32 inch 10.5 - 11.5 on a 15 inch wheel is rare.. 31's and 33's are much more common.

Seems most companies have gone to 16 inch wheels for more size diversity.

I would see if you could score or swap some 16's for cheap and start with that platform.

 

I have a 4 cylinder with 33x12.5 R15. Getting regeared Monday though...

 

ouch, 5th gear must be pretty much useless?

 

Except when driving 85+ mph downhill. Lol. But yeah it's pointless. Starting on steep hills is ridiculously hard too.

 

33's are next for me but I cant decide between 285/75/16 a fatter wider 33 or a skinner 33 the 255/85/16

I run 32's now and didnt notice any power loss or real mpg loss from over stock size.

Only down side is I enjoy my C rated tires and 33's or equivalent on a 16 is almost always E rated. so they will be around 12-15 lbs heaver per tire..

 

Honestly I got my 33x12.5 MTR's off of craigslist for a good deal.. The next set I buy new will be a skinnier 33, or the metric equivalents... Maybe duratracs..?

 

I love my Duratracs.

I have run:
BFG AT KO (lasted 25k)
BFG MT KM2 (Lasted 40k+)
Duratracs (Currently at 20k) and so far are by far the best Ive run.

 

Why would you say that?

The E rated tires have less sidewall flex, which results in a poorer performance offroad.



Unless you need the tire rating (doubtful in a taco), or the tire and size you want is only offered in an E, get the C.

More expensive, heavier, less sidewall flex, rougher ride, etc.

 

Because C rated is offered only in smaller sizes, they flex better yes but do not allow for low PSI and have thinner sidewalls.

E rated is more for offroading as its generally a tougher tire against punctures and rips.

 

Would toyo open country mt tires fit on a stock height 01 tacoma 4x4. It's a sr5 trd. I need new tires and plan on using my stock rims for now. Size I'm looking at are 265 75 r 16. Right now my truck is running the same size but in a just a pavement tire. Something like a grandma's car might have.

 

Tire size is tire size. Tread doesn't matter.

 

Oops lol right now I'm on 265 70r16 my bad..

 

My C rated Goodyear MTRs did fine at 5 psi.....

True, some E rated tires have thicker sidewalls, but that is not true across the board for every tire or size. I would not use the tires rating to dictate what PSI to run the tires at.

Once you get into the dedicated offroad tire world, most are going to be C rated. The E rated tires are going to be for the guy looking to install 37'' tires on his lifted tow rig, not to be used when wheeling.

 

5 psi is just stupid no matter the rating, you risk coming off the bead at -10 psi

Good luck finding any all terrain or mud terrain in a C rating over a 32 inch size for a 16 inch wheel.

 

I will never go under 8 psi without beadlocks. That's crazy. The wider the tire and skinnier the rim helps it stay on though.

Example: 33x12.5 tires on an 8" wide rim can theoretically be run slightly lower vs. 33x12.5 tires on a 10" wide rim.

 

Ive blown several beads in the past when I was running 32s, knock on wood no issues with the 35s.
So you blow a bead, you reseat the bead and go along with your life. Not all of us are bombing around the desert, just like not everyone is rock crawling. Ive had to break several beads on the trail and reseat it as well, at low speeds its not a life changing event.

Not sure how hard this was:
33x12.5x15
BFG T/A K02
Goodyear Duratrac
Goodyear MTR

37x12.5x17 (To be fair, looks like most of the other offerings are a D)
BFG Krawler

38x13.5x17
Yokohama Geolander

40x13.5x17
Goodyear MTR
Yokohama Geolander



Looks like most Interco tires are offered in C, with several also offered in E.
Same with Pitbulls, most are offered in C or E ranges.

I stopped there, you can look at the other manufactures yourself. Most of the true offroad tires being run are C due to the sidewall flex.

Sorry for arguing semantics on the interwebs.

 

I will rephrase, the sizes in question are none of the ones you listed.

31-32-33 incj on a 16 inch wheel style. and GO!

And as far as rock crawling with 5 psi.. tell us again why a 2.5 inch lift on 31s would be ideal?

You are looking at unrealistic driving conditions for a daily driver to double as a serious rock crawler.

I am speaking in a realistic and safe conditions scenario.

 

I agree with you Taco, realistically the truck how I see it, is something similar to yours a really good dune runner. (I'm sure you do more than that but you get the idea)

 

Go to tirerackdotcom and search by size and in the specs they tell you the actual diameter of each tire, there is considerable variation even on tires listed as the same size and from the same manufacturer.

 

Ah, that makes more sense.

I originally came into this thread to look at pictures, as I am in a similar boat trying to decide what tire and lift size to go with. Finding a ~32 in a C range is a PITA in the metric sizes as you were apparently trying to say.


Not sure how lower PSI matters between a DD vs dedicated offroad vehicle, as I DDed my hunk o' junk(Jeep) with 32s and 35s, would drive 6+ hours to go wheeling, air down to ~5psi, and then drive home, and drive to work the next day. Might be apples to oranges since everyone knows Jeeps are better


Dare say I came across as a douche, do apologize for that. Still dont agree with you, but I guess thats the beauty of the online forums.