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Old 02-24-2021, 09:29 PM #46
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E-load range in stock size is part of the problem. But a bigger part is that the steering rack design on the 4th & 5th gen T4Rs is super sensitive to balance issues no matter the tire brand. And I'll toss out that every time I've strayed from BFG All Terrains, I've been unhappy and have gone back - Goodyear, Yokohama and Cooper...
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Old 02-24-2021, 09:39 PM #47
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Glad to see this posting. I am approaching that same scenario - Coming up to 4 years and 45K on these sets of KO2.

They have been great except for wet environments. I find it lacking when stopping in wet pavement.

As for my use, I have the snow in the Catskills of NY and the beaches of Long Island. This year was pretty intense with the snow, especially in the country side. When I drive on the beaches, I air down to about 18 psi. I have yet to find myself in a stuck situation.

As others have mentioned, the Toyo Open Country AT3's has caught my attention.
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Old 02-25-2021, 04:50 PM #48
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BFG KO2 (C)

Im running the E right now and they were a little fussy; had to balance 1 time after install and they said to keep them at 35-40 PSI and that Helped Big Time.
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Old 02-25-2021, 05:32 PM #49
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Quote:
Originally Posted by StuB View Post
...The steering rack design on the 4th & 5th gen T4Rs is super sensitive to balance issues no matter the tire brand. ...
Is there a fix for that?!
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Old 02-25-2021, 05:34 PM #50
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Originally Posted by Hammer0313 View Post
BFG KO2 (C)

Im running the E right now and they were a little fussy; had to balance 1 time after install and they said to keep them at 35-40 PSI and that Helped Big Time.
I normally run 37-40 on the pavement. 37 is of course the OEM spec for the stock tires. I don't recall getting a special pressure recommendation any of the shops I've been to during my ordeal.
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Old 02-25-2021, 05:35 PM #51
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Quote:
Originally Posted by SidKo View Post
Glad to see this posting. I am approaching that same scenario - Coming up to 4 years and 45K on these sets of KO2.

They have been great except for wet environments. I find it lacking when stopping in wet pavement.

As for my use, I have the snow in the Catskills of NY and the beaches of Long Island. This year was pretty intense with the snow, especially in the country side. When I drive on the beaches, I air down to about 18 psi. I have yet to find myself in a stuck situation.

As others have mentioned, the Toyo Open Country AT3's has caught my attention.
I ran KO2's on another 4R and could not get them to hook in the rain and occasional snow here in the PNW; fun breaking the rear loose with ease, but got too squirrelly and unpredictable.

Running Wildpeaks on my 5th gen and they grip and stop well in the rain, snow, forest roads and sand dunes.
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Old 02-25-2021, 05:48 PM #52
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Coming from KO2s 275 / Es, I'm extremely happy with Toyo AT3 285 / C. They give you a lot of confidence in the rain as oppose to KO2s. KO2s are solid in everything else, AT3s keep up, tiny bit worse in snow if not aired down.

AT3s are also made in SL load
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Old 02-25-2021, 05:49 PM #53
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Quote:
Originally Posted by 702_SR5 View Post
I normally run 37-40 on the pavement. 37 is of course the OEM spec for the stock tires. I don't recall getting a special pressure recommendation any of the shops I've been to during my ordeal.
32 psi front and rear is what should be on the sticker in your driver side door. LT tires get +10 psi compared to the oem P-metric tires, according to this: Tire Pressure Calculator

I did a chalk test on my E loads at 42, and this estimate was pretty accurate.
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Old 02-25-2021, 05:55 PM #54
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Quote:
Originally Posted by Gstick View Post
... Are you sure that the shop that is using the Road Force Balancer knows How to use it properly ? I'm not trying to be a smart ass with this question, but Toyota Wheels are the hardest to balance because of the large center hub diameter, & there are special inserts for RF balancing machines to fit the Toyota wheels perfectly.
At one point, I took the vehicle to my local dealer, explained what was going on, and asked them to fix it. What they did was rebalance and road force the wheels. Then (without telling me), moved them to the positions on the vehicle where the problems would be least noticeable. I realized this because I had numbered the rims and I saw they had been shifted around.

When the wheels were moved back to the spots they were in, there was practically no improvement in the ride quality.

I've stood next to the technician in different Discount Tire shops and watched them do the road forcing and force matching when needed. To me, the wheel appeared to be on the machine solidly. I'm not sure exactly what this adapter is that I've heard about, but I would expect them to have whatever was needed.
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Old 02-25-2021, 06:14 PM #55
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Quote:
Originally Posted by 702_SR5 View Post
I normally run 37-40 on the pavement. 37 is of course the OEM spec for the stock tires. I don't recall getting a special pressure recommendation any of the shops I've been to during my ordeal.
@Tuco S. is correct. 32 psi is the recommended pressure for stock tires on the 5th gen 4runner. The recommended pressure for every vehicle is listed on the sticker on the B pillar inside the driver door. I am currently running my BFG KO2s in load range C at 37-38 psi on the street.
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I just look at them and say: you have not the absolute slightest idea what you are talking about. This is 4Runner.
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Old 02-25-2021, 06:19 PM #56
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@Tuco S. is correct. 32 psi is the recommended pressure for stock tires on the 5th gen 4runner. The recommended pressure for every vehicle is listed on the sticker on the B pillar inside the driver door. I am currently running my BFG KO2s in load range C at 37-38 psi on the street.
OK, my mistake, I should have walked out to the garage and double-checked before posting.

Still, as stated, I am running the KO2 E's at 37-40 psi. Are you suggesting I run them higher or lower than that?
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Old 02-25-2021, 06:31 PM #57
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I am primarily in the Reno and Winnemucca area in Nevada and have the stock Nitto Terra Grapplers that came on my TRD Pro. I have about 27k miles and they have lost significant capability in the sand/rock. I've driven in some "interesting" snow and ice situations around the Sierra Nevada range and I've never been stuck, but I am looking to switch to K02's just from a durability standpoint.
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Old 02-25-2021, 07:54 PM #58
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I've literally put hundreds of thousands of miles on BFG AT's, with many of those miles on forest service roads and non-pavement out here in Colorado, Wyoming, Nebraska, Montana, both E and C rated tires, and knock on wood, I've never had a flat. I took my wife's Subaru on a hunting trip this year and on the second day of driving county dirt roads in eastern Colorado, I had a flat tire, with Falken Wildpeaks... I know, I know, its not an apples to apples, but my point is, BFGs have never let me down. I've never experienced poor traction with them in snow or rain either. I hear that a lot, and maybe its just that where I live, we just dont get that much rain, and when it does rain, its usually short events that are over quick. But I drive a lot in the snow, and BFGs have always felt solid and had confident grip.
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Old 02-25-2021, 09:42 PM #59
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When the time comes, Iíll be going to Mickey Thompson ATZ P3. I had them on my Duramax and they were unstoppable. Goodyear tires I always had problems balancing them. So I quit using them. Mickey Thompson and BFG no problem.
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Old 02-26-2021, 12:08 AM #60
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Quote:
Originally Posted by 702_SR5 View Post
OK, my mistake, I should have walked out to the garage and double-checked before posting.

Still, as stated, I am running the KO2 E's at 37-40 psi. Are you suggesting I run them higher or lower than that?
Hey man no worries. It really depends on your weight. The chalk test is best to determine what psi is best for your setup. I had load range E Falkens for a long time on an F150 and ran them at 40 psi all the time and they wore completely evenly and lasted forever. I actually had the rears a little less about 38 psi since I didn't have weight in the bed constantly. But if I put a heavy load back there I'd air them up a couple psi just to handle the weight a bit better.

With the 4runner being an SUV, and I have a decent amount of constant weight (sliders, skids, roof rack, roadshower, sleeping platform), I run all my load range C tires pretty evenly all around at 37-38 psi. That's where I found the tire wear to be the most even and get the best contact patch with the ground. Below that, the outside tread was wearing quicker than the inside. My tire wear is a bit uneven at the moment but it's getting better now that I've done the chalk test and adjusted the pressure.

Normally you run a load range E tire at a bit higher pressure than a C...normally because if you have a load range E tire you're generally trying to have it bear more weight. BUT everything depends on your weight. A same size load range C tire and load range E tire at the same pressure will be rated to bear the same weight. E tires can only bear more weight because they're rated for a higher maximum pressure. You might already know this.
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I just look at them and say: you have not the absolute slightest idea what you are talking about. This is 4Runner.
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Last edited by Kamalani Mahie; 02-26-2021 at 01:11 AM.
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