New 37x12.50x17" Cooper STT's

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ravencr

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Hey guys,

Here's some quick pics of my new Cooper STT's in 37x12.50x17" on MRW 17x9" wheels with 3.5" backspacing:

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The ride of the Coopers was simply amazing. They're slightly louder than stock, but with the windows up very unnoticeable. I'm impressed so far and will be doing some light wheeling this weekend to try them out.

Chris
 
They are great tires. Weak sidewalls though. Ask me how I know... Looks good. Throw some sliders and bumpers on there now!

D
 
I think they've redesigned them a bit. I heard the previous models weren't siped in the middle lugs and these are, so hopefully they'll be a little better where others have said they've lacked a bit with chunking possibly. I've got road hazard, so outside of having to change a tire on the trail, I'm not as concerned with the weaker sidewalls. :)

Chris
 
looks like your spare is a little out of date.
 
ravencr said:
I was thinking the same thing...just don't know which way to start on it. Have any links of some others that have done it?

Chris
Click to expand...

There are guys who have done it with no body lift, so yours should be a piece of cake.

Search on Magnaflow for a smaller replacement cat and go from there.
 
Sick tires, man... Looks like with the body lift your cats are more exposed, or is it just the camera angle? I am one to talk, however, as I need additional cat protection. How are you gonna protect yours?

cheers,

Joel
 
ravencr said:
.. where others have said they've lacked a bit with chunking possibly. ... :)
Click to expand...

They do chunk more than average, more so as they age.

Ihasfip said:
... Weak sidewalls though. ...
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I haven't had any sidewall problems, knocking on compressed cellulose product.:hillbilly: Mine are mounted on 7.5" rims, so the sidewalls are more pulled in, reducing the exposure. Also I always air down for the trail. In my experience, the majority of sidewall problems are on tires that ether were not aired down or not enough for the conditions.

Mine have seen some rock use/trauma.:hillbilly:
xmas_2009.webp
 
Tools R Us said:
They do chunk more than average, more so as they age.



I haven't had any sidewall problems, knocking on compressed cellulose product.:hillbilly: Mine are mounted on 7.5" rims, so the sidewalls are more pulled in, reducing the exposure. Also I always air down for the trail. In my experience, the majority of sidewall problems are on tires that ether were not aired down or not enough for the conditions.

Mine have seen some rock use/trauma.:hillbilly:
Click to expand...


My tires look the same. The last one I ruined though was aired down to 14 psi when the sidewall cut on a small stick....

D
 
Ihasfip said:
My tires look the same. The last one I ruined though was aired down to 14 psi when the sidewall cut on a small stick....

D
Click to expand...

Unfortunately a perfectly aimed object can and will take out any tire. In my 30+ yrs of wheeling in AZ, I have seen just about all brands of tire cut. I wouldn't rate the Coopers as the strongest, but they aren't weak ether, they are capable of taking pretty good abuse.

All tire design is a compromise. Lighter/thinner sidewalls are more flexible, making for a more flexible tire that provides better traction. Thick/heavy sidewalls make a stiffer tire, more likely to spin/bounce, less likely to conform over sharp points.

Case in point would be Nitto Terra Grapplers, IMHO great tires. They have what looks/feels like a thin sidewall, but preform well in the rocks. I have seen them stretched/folded/pinched over sharp edges that I would have bet the farm would have cut them, only to have them roll out with only a scuff mark. In some cases something more flexible/stretchy is harder to cut than something more solid.

Unfortunately if you wheel, cut tires are part of the deal, a chance you take. :hillbilly:
 
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