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Thread: Experinces with Cooper Discoverer STT Pro's

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    Experinces with Cooper Discoverer STT Pro's

    What are the forums experience with these tires. I am peeling a lift off or new to us '15 JKUR and going back with a long arm kit and part of the plan is a new set of 37's I know Eddie ran or is running Coopers. How true to size do you all find them for calibration? I am considering Nitto Trail Grappler MT's, BFG KM2's or the Coopers SST Pros. I am leaning toward the Coopers or Nittos as I like the side wall bite on them. was curious what kind feedback anyone might .... performance, handling, wear, value, anything really....

    edited my post to put less emphasis on the "hole true to size deal" thanks for the call out .... and good point
    Last edited by OkieDeke; 06-26-2017 at 01:17 AM.

  2. #2
    Hooked TFD's Avatar
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    My friend has been running the coopers on his TJ and they have held up great.


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    Administrator wayoflife's Avatar
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    Quote Originally Posted by OkieDeke View Post
    What are the forums experience with these tires. I am peeling a lift off or new to us '15 JKUR and going back with a long arm kit and part of the plan is a new set of 37's I know Eddie ran or is running Coopers. How true to size do you all find them for calibration? I am considering Nitto Trail Grappler MT's, BFG KM2's or the Coopers SST Pros. I am leaning toward the Coopers or Nittos as I like the side wall bite on them. was curious if Coopers run small or true to size, and any other thoughts on them?
    You really need to get over the whole "true" tire size thing as NO tire measures what is listed on the sidewall and nobody in the industry refers to "true" size when talking about things like what lift works with what tire. The only time "true" tire size matters is when you're calibrating your speedometer. Otherwise, we always just go off of the number on the sidewall. Click on the link below to see what I'm talking about.

    https://wayalife.com/showthread.php/...-SIZE-Database

    With that said, Coopers run taller and wider than my old Nittos.

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    Been Around the Block Robertcrav's Avatar
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    Love them!! autocompress1498421461596.jpgautocompress1498421487079.jpg

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    That dude from Mississippi notnalc68's Avatar
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    Quote Originally Posted by wayoflife View Post
    You really need to get over the whole "true" tire size thing as NO tire measures what is listed on the sidewall and nobody in the industry refers to "true" size when talking about things like what lift works with what tire. The only time "true" tire size matters is when you're calibrating your speedometer. Otherwise, we always just go off of the number on the sidewall. Click on the link below to see what I'm talking about.

    https://wayalife.com/showthread.php/...-SIZE-Database

    With that said, Coopers run taller and wider than my old Nittos.
    I agree. I'd be more concerned with capability, and road manners.


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    Quote Originally Posted by wayoflife View Post
    You really need to get over the whole "true" tire size thing as NO tire measures what is listed on the sidewall and nobody in the industry refers to "true" size when talking about things like what lift works with what tire. The only time "true" tire size matters is when you're calibrating your speedometer. Otherwise, we always just go off of the number on the sidewall. Click on the link below to see what I'm talking about.

    https://wayalife.com/showthread.php/...-SIZE-Database

    With that said, Coopers run taller and wider than my old Nittos.
    thanks, not really hung up on it. More curious than anything. Would never calibrate without actually measuring, thanks for the response. Are coopers meeting your expectations? And thanks for link....neat thread!
    Last edited by OkieDeke; 06-26-2017 at 01:13 AM.

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    Administrator wayoflife's Avatar
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    Quote Originally Posted by OkieDeke View Post
    thanks, not really hung up on it. More curious than anything. Would never calibrate without actually measuring, thanks for the response. Are coopers meeting your expectations?
    More like exceeding my expectations. I always love to try out new tires but have always defaulted to Toyos as they've always proven to be all around good tires. Nitto Trail Grapplers in a 40" size were a great tire too but I didn't like them as much in a 37 - totally different tire. Unlike Trail Grapplers, Coopers don't have the strong radial pull to the left and so far, I have found them to hook up much better on the rocks. Coopers are slightly more audible on the highway but nothing I would consider to be loud or noisy.

  8. #8
    Meme King WJCO's Avatar
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    As stated, true tire size might as well suck on a bee's pecker. It's not accurate. As far as the other criteria for the coopers.....Second best thing I've ever felt.
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    Old Timer Andy5160's Avatar
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    Quote Originally Posted by wayoflife View Post
    More like exceeding my expectations. I always love to try out new tires but have always defaulted to Toyos as they've always proven to be all around good tires. Nitto Trail Grapplers in a 40" size were a great tire too but I didn't like them as much in a 37 - totally different tire. Unlike Trail Grapplers, Coopers don't have the strong radial pull to the left and so far, I have found them to hook up much better on the rocks. Coopers are slightly more audible on the highway but nothing I would consider to be loud or noisy.
    Good to know. I guess I have my answer from another thread


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    Been Around the Block Robertcrav's Avatar
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    I previously ran the original STTs, and ST Maxx's on a full size Bronco and was really happy them. My brother runs the ST Maxx in a 35 on his JK, I have ST Pros and I'm very happy with them. As Eddie said their is a slight hum but far from the loudest tires I've ever owned.

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