03-26-2021, 12:50 PM
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#16
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does anyone ever complain that the 4runner's Limited trim runs a 245? It's most likely not an issue of snow worthiness but more of america's obsession with fat and wide ass tires
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03-26-2021, 10:16 PM
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#17
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Quote:
Originally Posted by repo
Lookup "Russian UAZ" they will have skinny tires I bet. I'm aware of the floating thing and those trucks they have in Iceland but I don't think it's something most people are going to encounter. If it's that deep you'll bottom out something else anyway unless you have some truely massive tires. Winter tires don't float their benefit is mostly softer compound. Thin ones are still better to cut through. I think you actually get more tread contact deflating tall narrow tires than wide ones because you get more lengthways contact.
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You're probably right, most people will not encounter snow that deep or have the need to, so it just depends on the user's specific situation. Agreed winter tires have a softer compound so they remain flexible in the freezing temps and have specific siping for the thin layer of water created when driving over ice. And it all depends on how tall and stiff the tire is when deflating to increase the contact patch; width just adds to the surface area. I think there's a lot of good information here to help the OP to make a well informed decision on which tire to go with.
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Quote:
Originally Posted by RysiuM
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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'15 Trail Premium, GOBI Stealth, CVT Summit Awning, ARB Safari Snorkel, TRD Pro susp. w/Bilstein 6112 coils & 1" spacer (front) & OME 895 (rear), 285/70/17 BFG KO2, Spidertrax wheel spacers, TRD Pro package (wheels, grill, valences, & skid), full RCI aluminum skids, C4 Fab diff skid, Toytec bump stop extensions, plenty of lights, patches, stickers, and other miscellaneous mods (backup & front camera, accessory meter display, rear window/hatch, bumper cup holders, Wit's End fire extinguisher mount, Ellis Precision TRD shift lever)
Last edited by Kamalani Mahie; 03-26-2021 at 10:20 PM.
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03-26-2021, 11:23 PM
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#18
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Contact patch = traction, tire width = bigger contact patch, tall = more clearance... pizza cutters are a dogma. Wider is better off-road, if you can afford it.
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2018 TRD ORP w/ KDSS, Hefty Front Bumper, Ironman4x4 Pro Foam Cell, RSG Sliders, Nitto RGs 285/75/17 E, Victory 4x4 full steel armor, Diode Dynamics Fogs
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03-27-2021, 03:00 AM
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#19
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Quote:
Originally Posted by SilverTEP
Contact patch = traction, tire width = bigger contact patch, tall = more clearance... pizza cutters are a dogma. Wider is better off-road, if you can afford it.
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When you air down the contact patch increases lengthways much more than sideways. You also have more downward pressure with tall skinny so it's more usable traction.
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Last edited by repo; 03-27-2021 at 03:23 AM.
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03-27-2021, 05:37 AM
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#20
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I just took off my Duratrac 255's on steelies and put on Yoko A/T' 265's on alloys because I am going to be doing a lot more paved road driving in the next few months. With the ToyTec 1.6" up front, the 255's were awesome looking but noisy and had a noticeable effect on acceleration and MPG's.
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03-27-2021, 11:11 AM
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#21
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Quote:
Originally Posted by 1jzgte
does anyone ever complain that the 4runner's Limited trim runs a 245? It's most likely not an issue of snow worthiness but more of america's obsession with fat and wide ass tires
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In snow, I feel like the 245s were more limited with the typical tread patterns of a highway tire, but they did a pretty good job of cutting through the snow to dig to the pavement. One of the things that stood out to me with the 245s on my Limited was how quickly it was to reach the limits of grip on fast corners like highway onramps and offramps. Not that I drive like a racecar driver or anything either, it's still a massive brick of a truck after all.
I can certainly see why some folks are hesitant to move to 255s. I know one of the big concerns that folks have is that highway stability and handling, especially potential emergency maneuvers, could be negatively impacted. You're talking about a lot more sidewall flex given the taller sidewall height and typically these trucks are lifted too increasing the center of gravity.
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Last edited by mbm112; 03-27-2021 at 11:14 AM.
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03-27-2021, 11:28 AM
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#22
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Quote:
Originally Posted by mbm112
In snow, I feel like the 245s were more limited with the typical tread patterns of a highway tire, but they did a pretty good job of cutting through the snow to dig to the pavement. One of the things that stood out to me with the 245s on my Limited was how quickly it was to reach the limits of grip on fast corners like highway onramps and offramps. Not that I drive like a racecar driver or anything either, it's still a massive brick of a truck after all.
I can certainly see why some folks are hesitant to move to 255s. I know one of the big concerns that folks have is that highway stability and handling, especially potential emergency maneuvers, could be negatively impacted. You're talking about a lot more sidewall flex given the taller sidewall height and typically these trucks are lifted too increasing the center of gravity.
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Yeah that's why I don't like the look of them it makes the truck look "tippy". But if the backspace of wheels/spacers puts the outer edge at the same place as wider ones I don't think it actually is tippy. I think you have to run them quite high psi because of the sidewall. I like a bunch of sidewall I want to put 16" rims on if I can. I saw a 2nd gen Tacoma with nice looking 16" steel wheels... they were all the steel spare wheels from 3rd gen 4runners he had collected, painted and got to fit the calipers somehow lol.
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03-27-2021, 01:20 PM
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#23
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Quote:
Originally Posted by repo
Yeah that's why I don't like the look of them it makes the truck look "tippy". But if the backspace of wheels/spacers puts the outer edge at the same place as wider ones I don't think it actually is tippy. I think you have to run them quite high psi because of the sidewall. I like a bunch of sidewall I want to put 16" rims on if I can. I saw a 2nd gen Tacoma with nice looking 16" steel wheels... they were all the steel spare wheels from 3rd gen 4runners he had collected, painted and got to fit the calipers somehow lol.
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Tacoma’s can run a 16” but 4Runners are limited to 17”.
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03-28-2021, 02:34 AM
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#24
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Quote:
Originally Posted by repo
When you air down the contact patch increases lengthways much more than sideways. You also have more downward pressure with tall skinny so it's more usable traction.
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How many skinnies do you see on competitive or professional Baja Races, King of Hammers, Rubicon Trail, or Moab?
Skinnies are only good in very few situation. Contact patch will always be bigger on wider tire.
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03-29-2021, 01:42 PM
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#25
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Everything becomes a trade off at some point. The trick is finding the compromise that works for you. Here is some of the timeline, needs, and experience that lead me to my present choice:
As for myself, compared to OEM Bridgestones the rolling resistance of the larger 285/75/17 Toyo was just too much of a dog for daily driving. Also my wheel bearings had to be swapped after 25k on them... Coincidence, I dunno. (FYI I’ll be adding a set of spidertrax soon, sooo...?)
Off road tho, the 285 ride was especially sublime when aired down and grip was generally fine too, but climbing and navigating certain steeps at altitude was again altogether doggy and under powered. Maybe regearing is the better answer, but going to tall skinnies has been a pleasing compromise.
With 285s, Mpg was in the 15’s as a daily driver, now it’s in the 18’s and a good bit higher on highways. On road, the skinny 235 42lb Cooper LTs roll VERY easily. Off road and aired down, those same rocky steeps are no more of a challenge than they were before. Traction is very similar but turning and steering the skinnies feels favorable. I’ve not flatted out once either.
As for “snow driving” this was one of my main motivators going skinny AT tire. In zero cases have I ever found myself “floating” on deep snow. Somewhere there is a bottom, and when you find that you’ll find traction if you don’t get too much snow underneath first. Conditions matter. But on snow packed roads, sure, siping-studs-contact patch are whats needed, and they did fine. The Cooper AT tread likewise works great on snowy roads (btw I’ll air down a bit here too) and are quiet and well mannered when the road is normal too. *BUUUUUUT*.... the bigger difference for my needs is that I now easily fit tire chains for when the going gets grim. Which it has and which the Cooper AT would certainly be outdone by a more aggressive tread in any width. But for no more often than that comes about, that’s how I’ve chosen to address the one shortcoming. (Although if they weren’t so heavy, I think I’d like the 235/80/17 ST Maxx.)
All that said, a 255/75 might have worked out just as well for 99% of what I do but a smaller 32” tire gave me a precious inch of clearance (think chains) and also a step back towards the factory gearing/tire ratio.
So there you have a bit of the calculus that lead me to my choice of compromise for what I do. But you do you for your own good reasons and it’ll probably work out great. Good luck OP.
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2012 Trail Edition, Silver w/ KDSS, Shrock Works front bumper, warn M12,000 winch, RSG Rock Sliders, Full RCI AL Skids w/steel on gas tank, OME 888/889 springs and OME 90021 Nitrochargers, Camburg UCAs, 32” Cooper 235/80/17 LT on Trail wheels, 1.25” wheel spacers, LEDs inside and out.
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03-29-2021, 03:24 PM
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#26
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Quote:
Originally Posted by Deuxdiesel
I just took off my Duratrac 255's on steelies and put on Yoko A/T' 265's on alloys because I am going to be doing a lot more paved road driving in the next few months. With the ToyTec 1.6" up front, the 255's were awesome looking but noisy and had a noticeable effect on acceleration and MPG's.
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what kind of noticeable acceleration and and mpgs are we talking about? better or worse acceleration? better or worse mpg?
The duratracs look like a noise monster by tread design
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03-29-2021, 07:09 PM
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#27
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Oooh, forgot to mention that with 285s and no bumper carrier for a spare, well that was a problem. A 235/80/17 spare tucks in even better/flatter than stock. Detriments, benefits, compromises.
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2012 Trail Edition, Silver w/ KDSS, Shrock Works front bumper, warn M12,000 winch, RSG Rock Sliders, Full RCI AL Skids w/steel on gas tank, OME 888/889 springs and OME 90021 Nitrochargers, Camburg UCAs, 32” Cooper 235/80/17 LT on Trail wheels, 1.25” wheel spacers, LEDs inside and out.
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03-29-2021, 09:50 PM
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#28
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Looks good to me!
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03-30-2021, 03:30 AM
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#29
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Quote:
Originally Posted by Old3Tow
Oooh, forgot to mention that with 285s and no bumper carrier for a spare, well that was a problem. A 235/80/17 spare tucks in even better/flatter than stock. Detriments, benefits, compromises.
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A 285/70/17 tire will fit in the stock spare location underneath. Plenty of people do it with different brands of tires in that size. It's tight but it fits and it will hang down a bit lower because the tire is wider, but this has never caused an issue for me while on trails. If anything drags on these big booty 4runners it's usually the hitch.
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Quote:
Originally Posted by RysiuM
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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'15 Trail Premium, GOBI Stealth, CVT Summit Awning, ARB Safari Snorkel, TRD Pro susp. w/Bilstein 6112 coils & 1" spacer (front) & OME 895 (rear), 285/70/17 BFG KO2, Spidertrax wheel spacers, TRD Pro package (wheels, grill, valences, & skid), full RCI aluminum skids, C4 Fab diff skid, Toytec bump stop extensions, plenty of lights, patches, stickers, and other miscellaneous mods (backup & front camera, accessory meter display, rear window/hatch, bumper cup holders, Wit's End fire extinguisher mount, Ellis Precision TRD shift lever)
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03-30-2021, 07:15 AM
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#30
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Quote:
Originally Posted by Kamalani Mahie
A 285/70/17 tire will fit in the stock spare location underneath. Plenty of people do it with different brands of tires in that size. It's tight but it fits and it will hang down a bit lower because the tire is wider, but this has never caused an issue for me while on trails. If anything drags on these big booty 4runners it's usually the hitch.
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I concur - 285 fits just fine in that location.
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