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MoabJeeper Magazine Article

General Articles - Product Reviews

Cooper Discoverer STT

Article written by Carl "Silverback" Schaible

Date Added: 10/12/2008

Got a hard wheeling daily driver? MOABJEEPER Magazine has the tire for you.

Let?s take a look at the killer new tires Discount Tire set us up with for our project JK: the Cooper Discoverer STT.
The Cooper Discoverer STT is essentially the normal Discoverer ST on steroids. This tire is beefed up enough to hang with the top players in the off-road tire market while still maintaining surprisingly civilized road manners. Its deep tread lugs easily clear themselves of mud with a quick jab of the throttle. In the rocks, the siped main lugs improve grip on steep ledges while the side lugs wrap way around the side of the tire for a durable aggressive look. The three layer construction (Cooper?s TEK3) helps to keep these tires alive during serious off-road use.

As soon as we had these tires mounted, we hit some local Utah trails (a little place we like to call Moab, perhaps you?ve heard of it). Once aired down to proper trail pressure, the traction was simply incredible. These tires delivered gobs of traction on any obstacle we could throw at them: long steep inclines, mud, water, sand, and the classic Moab school-bus-sized ledges. In addition to velcroing themselves to any rock face we found, they hold very well on slick sidehills (for a mud tire).

Okay, so we?ve established that these tires absolutely rock on the trail. But let?s be realistic here, this project JK is also a daily driver. We need a tire to be capable of excellent off-road performance when we need it, but also safe and comfortable for daily driving. Simply put, these tires deliver. For an aggressive mud tire, they are amazingly quiet on the road. Street traction was also good cornering and stopping. Even in the rain these tires felt right at home showing no signs of slippage or drifting around corners. We make the previous claim understanding this is a mud tire being driven on a Jeep - not a sports car.

Final Thoughts

The Cooper Discoverer STT is an impressive looking tire with an aggressive sidewall profile and a very detailed design. The redesigned rim protector keeps rocks away from the Liquid Metal Rhino wheels they?re wrapped around. This is an excellent all-round tire for the Jeeper who wants good offroad capabilities without giving up too much in the on-road-manners department. All in all, you really can?t go wrong with this tire.

While this tire comes with no specified tire life, we have been able to extract from those in the know, the tire (properly maintained) should last 40,000 miles. We also want to point out this is a Silica compound tire. We mention this because we recently gave a glowing review of the Wrangler Silent Armor, which is an all-terrain, Silica compound 50,000 mile tire. For the vehicle those tires reside on (locked front and rear with monster travel), a more aggressive tire is not needed. The rest of us not fortunate enough to have twin lockers and a super flexy suspension can seriously benefit from this aggressive, long lasting mud tire.

Purchase / Vendor Info

Vendor Name: Discount Tire (Layton, Utah)
Address: 881 W Hill Field Rd
Layton, UT 84041
Phone: (801) 544-0104‎
E-Mail Address:
Website: www.discounttire.com/dtcs/home.do

Our Thank You's!

MOABJEEPER would like to thank Bryan, Shawn, and all the guys out at the Discount Tire in Layton, Utah. You made Silverback and Moab Man's experience both a pleasurable and educational one.

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