Toyo M/T 255/85R16 Part 6

1996 F-350 7.3L Power Stroke/T444E with 255/85R16 Toyo M/T
1996 F-350 7.3L Power Stroke/T444E with 255/85R16 Toyo M/T

It’s time to finish this slow, drawn-out tire review. If you need some background read the previous related post here: Toyo M/T Part 5

After a mere 1,278 miles traveled over twelve days, the measured treadwear on this set of 255/85R16E Toyo M/T tires went from 19/32″ when new, to 18/32″ on the front axle and 17/32″ on the rears.

Front 255/85R16 Toyo M/T worn 1/32" on 1,278 miles
Front 255/85R16 Toyo M/T worn 1/32″ after 1,278 miles
Rear 255/85R16 Toyo M/T worn 2/32" after 1,278 miles
Rear 255/85R16 Toyo M/T worn 2/32″ after 1,278 miles

It’s well known that diesel torque, weight, towing, and high speeds all contribute to wear, and sometimes tires wear faster initially, then slow to a more palatable rate. However, after removing a set of Dick Cepek F-C II 285/75R16D tires that were hardly wearing, same as when they were mounted on a lighter rig, this Toyo M/T wear was unacceptable. While I’d run sets of Toyo M/Ts before, I’d put them on a lighter Toyota 4Runner and a 2005 Jeep TJ, and hadn’t experienced this kind of wear. The old F-350 T444E/7.3L Power Stroke was not a daily driver—logging few miles per year, though most were working—so the tires could have lasted years if I would have left them on the truck.

We can’t always have new tires, but I prefer deep rubber, tread that not only starts meaty but stays that way for a while. Depth and void are critical components of traction, so shallow tread not only means less longevity, but also potentially less grip, sooner, after fewer miles.

LT255/85R16E Toyo Open Country M/T
LT255/85R16E Toyo Open Country M/T

There was another niggle, the extremely common right-pull of the Toyo muds. I had resigned myself to living with this on the F-350, but combined with the fast wear it more than I cared to tolerate.

My solution was to return the tires for a “ride complaint”. Some manufacturers offer customers this resolution for certain issues, sometimes they even advertise this warranty for new patterns, or for lines that have proved exceptionally popular and/or reliable. However, even when this option is available it typically expires after more than 2/32″ of tread are consumed…which was going to occur in less than 2,000 miles! In this situation I’d more than earned this option with one of my local Les Schwab dealers, having purchased many sets of tires for several platforms in recent years. The truck had to wear shoes, but which ones? A few sets of 285/75R16 treads had been squeezed onto the factory 16 x 7-inch forged aluminum Alcoa wheels, though I much prefer the 255/85 size. Same height, look great, less filling. This quickly narrows the options and I needed to buy them from Les Schwab Tires.

Maxxis Bighorn LT255/85R16D
Maxxis Bighorn LT255/85R16D

Maxxis Bighorn MT-762

Les Schwab is not the least expensive tire dealer around; in fact they can be comparatively expensive these days since Discount Tire moved into the region.  Yet, through the years I’ve been mostly happy with the service from most dealers, and willing to pay a little extra depending on the products and services. The Toyo M/T has always been a relatively expensive tire, particularly from Les Schwab dealers, while Maxxis Bighorns have been a good value. When I purchased my first set of Bighorns from Les Schwab several years ago they were a deal, and the prices still seem relatively good in 2016. Then and now, similar dollars are needed to buy five LT255/85R16 Bighorns, or four Toyo Open Country muds, so I did.

Mounting Bighorn 255/85R16 on the stock 16 x 7 inch forged luminous OE F-350 wheel
Mounting Bighorn 255/85R16 on the stock 16 x 7 inch forged stock F-350 wheel

The Bighorns are not a zero compromise choice or design. They also wear fast, even on lighter platforms, and by modern standards they are loud. But if tolerating rapid wear was a necessity, I’d prefer a less expensive product. Plus, they have never caused any of my rigs to drift right (Toyota, Jeep, or Ford), have provided excellent traction in most terrain, and are more flexible at a given pressure while offering a more comfortable ride. All tires can be punctured, but I’ve yet to put a hole in a Maxxis tire; though I did have a sidewall split on my first set on the same F-350, which was replaced under (pro-rated) warranty.

Still A Toyo Fan

I’m compelled to share that while this set of Toyos were a disappointment at the time and I decided to dump them, I’m still a fan of the Toyo brand. Toyo makes high quality tires that typically require little weight to balance, and I’ve purchased another set of Toyo truck tires recently. Wear is not always the predominant factor when choosing new rubber, and all tire choices involve compromise.

As critical as I was of the wear at the time, over the past two years I’ve again been driving heavy diesel pickups regularly, have seen similar, rapid tire wear, and with more than one brand. Those details will have to wait….

© 2016 James Langan/RoadTraveler

 

 

 

TRD Tundra Wheels a 17 MPG Rock Warrior Solution?

Several weeks ago I posted about purchasing a set of OE 17-inch TRD wheels which included the original BF Goodrich All-Terrain 285/70R17 tires (17″ Tundra Wheels & BFG A/T Tires). However those were not the first, nor the best, set of TRD Rock Warrior wheels I have purchased. The Cooper S/T MAXX trial started last summer and has drug on for a while.

Cooper Discoverer S/T MAXX LT275/70R18E with Tundra SR5 18" wheel

The reasons for buying the 18-inch Tundra SR5 wheels was because I wasn’t enthralled with the fake beadlock rings on the Rock Warrior wheels (Goodbye Bling Rings), and because finding a set of  17-inch TRD second generation Tundra wheels for a reasonable price seemed nearly impossible. Most of the sets on Craig’s List were almost new, with almost new tires, and guys wanted almost new prices, upwards of $1,500 for the tires and wheels. No thanks. In addition to being far more than I was willing to spend, because I’m not a BFG A/T fan (not a hater, just not a fan) I really didn’t want to pay anything for BFG A/T take-off tires.

There were two issues with the 18-inch Cooper S/T MAXXs: the drifting to the right, and the stiff ride from the rugged, short sidewalls. I could seek alignment solutions for the pulling—which I doubted would work—but how could I soften the ride of the stiff, short sidewall tires without letting too much air out? The stout construction of the S/T MAXX appeals to me, there is a time and application for these tires and I wanted a set, but the 18-inch 275s were rougher that I cared to drive on.

After deciding I wasn’t going to keep the 275/70R18s, and to take advantage of Discount Tire’s excellent exchange policy, the question was exchange them for what? Another set of F-C II? That seemed a bit silly, since my existing set was almost new, and I’d rather have one set of mild treads and another more aggressive. Though I knew a second set of F-C II wasn’t going to pull to the right and wouldn’t be a waste of money. Since I’d been down this road several times with the 4Runner, I was confident I knew the unhappy ending.

Summer I80 Road Construction

The First Set of TRD 17-Inch Rock Warrior Wheels

Knowing my dissatisfaction with the 18-inch sidewalls, early one morning my friend Frank inquired about finding a second set of 17-inch TRD wheels. I quickly dismissed his idea, telling him via email I had looked and they were all too expensive… But I decided to look again, and hidden among all the ridiculously expensive was one reasonably priced set at an independent tire dealer in Sacramento, just a couple hours away (thank you Frank). I was the first person to contact the seller, told him I’d be there in a couple hours if he would hold them for me.

A rural road side trip in search of Dutch Bros. Coffee

Though there was summer road construction in the Sierras, and the several thousand vertical feet lost and gained during the 228 miles of travel, careful use of my right foot allowed the Tundra to squeeze 17.88 miles from each gallon.

TRD beadlock ring scuffing

The wheels were not perfect, but in hindsight they are the best set I’ve purchased thus far. There were a few scuffs on the fake beak lock rings from careless handling (which helped me to negotiate a lower price), and three of four spring clips that secure the center caps were missing, which I didn’t notice until I was home. But overall they were a very nice set the will likely stay with the Tundra as long as it lives in my barn.

TRD Rock Warrior 17-in. beadlock ring gouges.
TRD Tundra Rock Warrior 17-in. take-offs

With another set of 17s in the shop I didn’t know what I was going to exchange the S/T MAXX for, but I knew they were not going to be 18-inch tires.

Copyright © 2012 James Langan

Cooper S/T MAXX LT275/70R18E Preview (Traction Tire Part 2)

The Cooper S/T MAXX 

After deciding the LT275/70R18 was my perfect 33-inch tire for an 18-inch wheel, and seeing there is a nice selection of tires in this size, a tread had to be chosen. This was relatively easy as I’m familiar with most of the popular light-truck traction tires. I’m a fan of Cooper Tires and their subsidiaries, and the new S/T MAXX design was already on my to try list, offering the type of any-terrain tire I prefer—not too biased toward on or off-highway. Cooper calls this a 50/50 tire (on/off pavement) and I’d say they are very close to hitting that mark.

LT275/70R18E Cooper S/T MAXX

After some online shopping, my local Discount Tire matched a price from TireCrawler, a mere $242 each delivered. (This was a few months ago; tire prices change, usually increasing.) Discount ordered the tires and a few days later I hauled my 18-inch wheels to their shop for mounting and balancing. Cooper says the LT275/70R18E MAXXs are 33.35 x 11.2 inches and my scale said they weigh 60.5-pounds each. Combined with the relatively heavy, 30-pound, 18-inch cast aluminum SR5 Tundra rims, each tire/wheel combo weighed 91-pounds!

Stout Construction

Once you get your hands on one, there will be no doubt the S/T MAXX is a super stout tire. The scale tells part of the story, though not all load-range E or 3-ply sidewall tires are created equal (see Wheels, Tires, and Sidewalls). Grab an unmounted ArmorTek3® sidewall and give it a good jerk back and forth, they’re stiff, similar the Toyo MT, and more substantial than the 3-ply sidewalls on the very common BFG All-Terrain. The MAXX sidewalls are much stiffer than the older and lighter-duty Cooper S/T, which offers flexible sidewalls and very little sidewall tread. Similar name, and I like both treads depending on the intended application, but they are very different tires. Try not to confuse the S/T MAXX with the S/T, or the Cooper STT… maybe Cooper needs some new letters?

The S/T MAXX has beefy sidewall lugs/tread.

The S/T MAXX is an impressive looking tire. The sidewall lugs are attractive and thick, more impressive in person than in the photos I’d seen, and possibly the most aggressive sidewalls I’ve seen on a tire in this class (not a mud-terrain). The tread is a hybrid 4–5 rib design with a bit less void than the older 4-rib S/T, the center circumferential groove is noticeably missing. There is a moderate amount of siping and the cut & chip resistant compound is studdable. Cooper describes the MAXX as a “commercial grade traction tire”, an accurate description.

S/T MAXX 4-5 rib hybrid tread design.

Mount & Balance 

Mounting a 275/70R18 S/T MAXX on Tundra 18 inch SR5 aluminum wheel.

Mounting the first tire and giving it a spin on the balancer showed it wanted 3.25-oz. inside and 4.75-oz. outside for a dynamic balance. Eight ounces is not much weight for a 91-pound spinning mass, but I generally like to add less weight to my wheels when possible.

While dynamic balancing is the technically the best as it balances in two planes, I’ve had many positive experiences using the single plane static balance method for heavy RV tires (an old term). Static spin balancing counters vertical imbalance (hop) of a tire & wheel, and I don’t run very wide tires where dynamic balancing can be more important. Generally, I see how the first couple tires in a set balance and if they can be dynamically balanced with moderate weight, that’s what we do. If they are going to ask for substantial weight using the dynamic method, I choose static.

Modern balancing machines are very good.

Sometimes this difference can be very dramatic. A few months ago a heavy, high-quality tire wanted about 9 ounces for a dynamic balance, but only 1.5 ounces for a static balance. Guess which one I chose? The S/T MAXXs were single pane balanced and the road force (RF) was also measured—which was very low—another indication of quality. For more thoughts on tire balancing you can read Static Balance Details.

Static Balance Numbers

#1) 4.75-oz. RF .002″.

After seeing this low road force number the kid doing the balancing commented “Wow, that’s like a Michelin.”

#2) 4.25-oz. RF .008″

#3) 5.50-oz. RF .007″

#4) 1.50-oz. RF .009″

Cooper Tires’ website lists the tread depth for every S/T MAXX currently made as 18.5/32″, which it probably is. But it would be pretty easy to call this 19/32″ as measuring down to one-sixty-fourth can be a challenge. The original tread depth is important, more is better for most truck tires, though the long-term wear rate is also important. Combine deep tread with a low rate of wear and you have a long-lasting tire.

LT275/70R18E COOPER S/T MAXX tread depth.

Because my original 17-inch Tundra TRD wheels use tapered lug nuts, which are uncommon for modern Toyota trucks, I needed new shank-style nuts for the 18-inch wheels. Searching online I found a source for the Gorilla brand lug nuts and locks, a complete set was delivered for about $110. I’ve been using an impact-gun on Gorilla wheel locks on my 4Runner for years, and they have held up to my intense use. I wish they would fit on the OE 17-inch TRD Tundra wheels.

Shank style Gorilla locking lug nuts needed for SR5 wheels.

Driving Impressions

To be continued…

Copyright © 2012 James Langan