Overall, these two tires have their ups and downs. Balanced, we topped out at 87mph in the dirt, 98 mph on pavement. These tires are world class. These tires are 100% reliable. Raced thr TSL bias ply 36/12.5/15 two seasons in Australian Outback Challenge. The wheels and tires on a Jeep are integral to the performance whether you're driving on road or off road. This review is the subjective opinion of a JeepReviews user and not of JeepReviews.com. They have excellent highway manners **to be an aggressive tire** and I had no trouble getting mine 'close to perfect' balanced. The Super Swamper TSL / SX is king of offroad bias ply mud tires that not only offers excellent traction in mud and on the rocks but surpasses all others in terms of extreme durability. Super Swamper TSL Radial Review: Date: May 18, 2005: Reviewer: A JeepReviews.com User from (Asheville, NC) I just purchased a set of 33x12.50x15 TSL RADIALS and I love them on my Jeep CJ. 42 Inch Super Swamper Tires at Interco.FactoryOutletStore.com For customers with special needs, we have provided a customer support phone number reachable 24 hours a day, 7 days a week, 365 days a year: (800) 720-6364. The 'best' of both worlds tire for me was the Super Swamper SSR. Interco Tire Corporation seems to have made some improvements to the bias version of the Thornbird TSL, although its still not up to the Super Swamper standards as far as offroad abilities go. They're radial construction but still the TSL design. HumveeLife created a quick review of his 38x15.5x16.5 Super Swamper Radial TSLs that he mounted on 12 Bolt 2-piece steel wheels. Super performance in all terrain venues, never had a flat. TSL Super Swamper: BFGoodrich M/T: If your very serious about 4 wheelin’ and especially muddin’ and rock crawlin’, then the answer is Interco’s TSL Super Swamper. If your rig is a daily commuter and you wheel some tough trails, then the answer is the BFGoodrich Radial Mud Terrain. The Interco Super Swamper IROK tire is a radial version of the bias-belted IROK but with better street performance! Customer Rating: (8.7 Stars) Number of Reviews: 3 reviews. Read the full tire test inside Four Wheeler Magazine. We would like to point out what we thought they improved upon over the original Thornbird TSL Radial. Write a review and share your thoughts with other Jeepers. Interco (AKA Super Swamper) recently released a new tire to the U.S. called the LTB. Available in radial or bias; Size options to fit larger Jeeps; Owner Reviews Interco Super Swamper IROK Radial Tires Avg. The 'second best' of both worlds tire for me was the BFG KM2. This tire that happens to be new to us here, already has an extensive past in other areas of the world.