Cooper Discoverer ST Maxx 255/80/17 Skinnies
- Thread starter alexb
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Desert Fox
New member
They do seem to get a little louder after they wear but I would not call them noisy considering they are an all terrain tire.
If you are hearing excessive noise take them to be looked at. There could be a belt separating.
I just bought my second set and I am very happy with them.
rayofsi
New member
thanks!
i have a ram rebel with the stock toyo all terrain on them, and they are quiet.
i had a ford expedition with good year all terrain adventure tires and they were dead quiet.
Think i will have these rebalanced again.
MyanRagahis
Member
Discount Tire just price matched these for me off Amazon at the current price of $159 a tire. Can't wait to get them put on next week.
I have the same issue. Steering feels very heavy. Drives and tracks perfectly down the street. Once I start to steer left or right I have to move it about 1-2 inches before it starts steering and then it's like it just grabs hard and wants to steer fast like a race car. My wife refuses to drive it. It is a 2007 4runner V6 Icon Coilovers with TC UCA's.
I purchased the Cooper Maxx 255/80 R17 based off of the good reviews and individuals saying they had no issues with fit. I have a Toytec Ultimate lift. I've added Light Racing UCA and spacers, I've also had it aligned twice to try and make them work. Unfortunately the rubbing is on the frame so there's no body trimming that can be done besides the frame which I'm not ready to do. I have a 2016 SR5. I can't imagine it has a different frame. Does anyone have any suggestions. Thanks for the help in advance.
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MTN4RNR
New member
Your issue is likely the spacers. Try running without them and you might see different results!
tenguns
Member
Running the 235 so little skinnier
Thought I'd mention that when installed my Coopers were at 34 psi. Took a mileage hit. But, when I took the front tire pressure down to 28 psi and the rears at either 28 or 30, I regained my mileage performance and then some. Typically, with a the front bumper and winch I'd run at 17.5 - 20.5 / city/freeway - based upon on board computer only. Average 17 on the highway by fill measure.
Tires when on and down to 14 - lower tire pressure to 28 and change, back up to 17.5+. At least on my rig, raised 2 3/4" and leveled. I'll remeasure when I start my overhaul in 2 weeks.
Thought I'd mention that when installed my Coopers were at 34 psi. Took a mileage hit. But, when I took the front tire pressure down to 28 psi and the rears at either 28 or 30, I regained my mileage performance and then some. Typically, with a the front bumper and winch I'd run at 17.5 - 20.5 / city/freeway - based upon on board computer only. Average 17 on the highway by fill measure.
Tires when on and down to 14 - lower tire pressure to 28 and change, back up to 17.5+. At least on my rig, raised 2 3/4" and leveled. I'll remeasure when I start my overhaul in 2 weeks.
Thanks for the reply. The spacers were the last thing that I bought hoping it would help to clear the frame.
MTN4RNR
New member
Spacers are usually only needed when you are running 285's and are needing to clear the upper control arms due to the wider tire. Spacers will add distance from the pivot point, and will in most cases make rubbing worse. Try removing them and see where that gets you.
tackleberry1145
New member
Wall o text just to say I'm happy with em, lol
I've had these on for a couple of weeks now and so far, I'm happy with them.
I'm running 40psi for now. I've played with the air pressure a bit, tried chalking them, etc. They ride fine on the highway without much noise.
They got their first real test yesterday on our way home from a quick trip to WV. I initially had thought about going back to Blackwater Falls, but decided we would take a more southernly route.
I found a small town named Helvetia and off we went. I let google maps route it for us.
I wasn't too worried when the gps had us turn onto a gravel road, it said it was 1.7 miles to the next turn. LoL
About .2mi in it turned into a dirt/leaf covered road. Still wide and easily passable. You could tell that it was driven some. At .6mi the fun began, lol.
The road changed into what I would call a jeep trail (forgive me). Much more narrow, ruts here and there, stuff you wouldn't drive a car through.
At .9mi the real shit started lololol. Off camber rocks angled toward trailside trees, ruts on both sides of the track that were way deep, 1.5ft deep mud holes, the whole kit and kaboodle, lol.
Keep in mind I hadn't aired down at all. I figured it was gonna be just a simple gravel road.
We slogged it out and kept going. I was a little worried about clearance on some of the spots. I'm lifted at about 3" but still have the oem trail running boards on.
Things started looking up as we gained elevation and got out of the mud. After than, other than some simple obstacles, and having to move a tree trunk out of the trail, things were not bad. It looked like we started to come out in someones backyard, lol.....turned out that it just dumped us back out onto a paved road.
And of course, as soon as we hit pavement, the gps stopped working.
All of that text to say that the maxx's worked admirably well. I mean REALLY well. Slick rock, goopy mud, sticky mud, gravel, wet leaves. These didn't slip AT ALL. Not only that but they cleaned out quickly. I'm a fan.
The downsides I've noted: My tire/alignment shop had to use a fair amount of weight to get them balanced. I wasn't too surprised by that as I've seen other guys note the same thing.
I also noted that my 4r seems to wander a bit more than before. I'm running JBAs high caster UCAs and my caster is well over 3. It's not crazy, but I notice it from time to time. As I put more miles on I'll figure out if it's the road surface or just me being overly critical. The 4r does pull a tad to the right (I'm going back to the shop next week to have them check that), so that might account for some of it.
I've run lots of tires on 4x4s. BFG ATs, Cooper AT3s, Duratracs, etc. So far I'm thinking I might have found my new favorite.
Truck stats:
2014 4runner Trail, OEM wheels
255/85r17 Cooper ST Maxx's @40psi
Jeepin By Al High Caster UCAs
Toytec's Bilstein Coilovers
Toytec Superflex Rear Springs
Right at 3" of lift. No trimming or rubbing at all.
I've had these on for a couple of weeks now and so far, I'm happy with them.
I'm running 40psi for now. I've played with the air pressure a bit, tried chalking them, etc. They ride fine on the highway without much noise.
They got their first real test yesterday on our way home from a quick trip to WV. I initially had thought about going back to Blackwater Falls, but decided we would take a more southernly route.
I found a small town named Helvetia and off we went. I let google maps route it for us.
I wasn't too worried when the gps had us turn onto a gravel road, it said it was 1.7 miles to the next turn. LoL
About .2mi in it turned into a dirt/leaf covered road. Still wide and easily passable. You could tell that it was driven some. At .6mi the fun began, lol.
The road changed into what I would call a jeep trail (forgive me). Much more narrow, ruts here and there, stuff you wouldn't drive a car through.
At .9mi the real shit started lololol. Off camber rocks angled toward trailside trees, ruts on both sides of the track that were way deep, 1.5ft deep mud holes, the whole kit and kaboodle, lol.
Keep in mind I hadn't aired down at all. I figured it was gonna be just a simple gravel road.
We slogged it out and kept going. I was a little worried about clearance on some of the spots. I'm lifted at about 3" but still have the oem trail running boards on.
Things started looking up as we gained elevation and got out of the mud. After than, other than some simple obstacles, and having to move a tree trunk out of the trail, things were not bad. It looked like we started to come out in someones backyard, lol.....turned out that it just dumped us back out onto a paved road.
And of course, as soon as we hit pavement, the gps stopped working.
All of that text to say that the maxx's worked admirably well. I mean REALLY well. Slick rock, goopy mud, sticky mud, gravel, wet leaves. These didn't slip AT ALL. Not only that but they cleaned out quickly. I'm a fan.
The downsides I've noted: My tire/alignment shop had to use a fair amount of weight to get them balanced. I wasn't too surprised by that as I've seen other guys note the same thing.
I also noted that my 4r seems to wander a bit more than before. I'm running JBAs high caster UCAs and my caster is well over 3. It's not crazy, but I notice it from time to time. As I put more miles on I'll figure out if it's the road surface or just me being overly critical. The 4r does pull a tad to the right (I'm going back to the shop next week to have them check that), so that might account for some of it.
I've run lots of tires on 4x4s. BFG ATs, Cooper AT3s, Duratracs, etc. So far I'm thinking I might have found my new favorite.
Truck stats:
2014 4runner Trail, OEM wheels
255/85r17 Cooper ST Maxx's @40psi
Jeepin By Al High Caster UCAs
Toytec's Bilstein Coilovers
Toytec Superflex Rear Springs
Right at 3" of lift. No trimming or rubbing at all.
alexb
New member
Selling my ST MAXX here if anyone is interested.
http://www.toyota-4runner.org/sale-...scoverer-st-maxx-255-80-17-oklahoma-city.html
http://www.toyota-4runner.org/sale-...scoverer-st-maxx-255-80-17-oklahoma-city.html
tenguns
Member
Just back from a week in Wyoming. Hunted with a crew of 4 with the new suspension and these tires. Computer estimate put mileage at 18.7-20.4 on the way there typically.
I carried a load and my onboard recovery gear but the truck was clean. (wench, bumper, tools, straps, sblocks, etc) plus hunting gear. Rear HD coils and Bills ran nice. Had a slight knocking up front but couldn't ID it in the Radflos or other parts because the mud was so deep. 5" of snow made it only more interesting.
I went in places where only ATVs were. It was a light year - not many out there where I was but saw very few other vehicles until things dried out. Tires performed well. I did have one instance where driver error (slow turnaround in a deep hole) got me pinned and had to wench out, but even with mudders I you can't correct that kind of error in that much mud.
Ride back was good. Blew off some of the mud at a car wash and got enough off the wheels so that it was a smooth ride. Computer ran between 12 and 18 on the way back.... but was carrying a couple hundred pounds of mud.
There are wanted posters at the local car wash. My tall skinnies worked perfectly.
I carried a load and my onboard recovery gear but the truck was clean. (wench, bumper, tools, straps, sblocks, etc) plus hunting gear. Rear HD coils and Bills ran nice. Had a slight knocking up front but couldn't ID it in the Radflos or other parts because the mud was so deep. 5" of snow made it only more interesting.
I went in places where only ATVs were. It was a light year - not many out there where I was but saw very few other vehicles until things dried out. Tires performed well. I did have one instance where driver error (slow turnaround in a deep hole) got me pinned and had to wench out, but even with mudders I you can't correct that kind of error in that much mud.
Ride back was good. Blew off some of the mud at a car wash and got enough off the wheels so that it was a smooth ride. Computer ran between 12 and 18 on the way back.... but was carrying a couple hundred pounds of mud.
There are wanted posters at the local car wash. My tall skinnies worked perfectly.
Porqupine82
New member
Sounds like you need more toe and caster
Big Daddy K
New member
What made you sell these? I have been looking into these for mine, but have the age old dilemma of 285 or 255.. lol
alexb
New member
Just a change of direction with the 4Runner. I got a new car and my wife now drives the 4Runner so I've returned it back to stock setup. She didn't want to drive it with a 3" lift and 33's :noidea:
