7. I definitely felt the difference between the Q3 and Q3+. I rode a Honda CBR600RR shod with the Q3, and then with the Q3+ through the Texas Hill Country outside of Austin, as well as on the track at COTA. Riding both tire models back-to-back allowed me to properly compare the two under consistent conditions and verify Dunlop’s claims. The performance improvements with the Q3+ are very apparent.
8. The Q3+ has noticeably superior edge grip compared to the Q3. Increasing the contact patch without changing the profile is achieved by changing the tension of the carcass. This results in approximately six percent more footprint and, therefore, much more grip at maximum lean angle. I found I was dragging my footpegs through COTA’s Turns 3/4/5 combination because I was carrying more speed and lean angle. Coming out of COTA’s first gear corners, the Q3 would spin a little on hard acceleration. In contrast, the Q3+ stayed absolutely planted.
9. The Dunlop Sportmax Q3+ also has improved stability over the Q3. Dunlop’s brilliant carbon-fiber technology gives the carcass enough integrity to avoid any vague feeling. It remains compliant enough that the tire still has that amazing Dunlop feel and forgiveness. Under hard acceleration, the Q3+ didn’t squirm; on the brakes, the front tire felt even better than the Q3, even over small bumps. This was also very evident on the street ride.
10. There is noticeably improved steering feel from the front when turning in with the Q3+, especially if trail braking. Coming off the high-speed back straight and into the super-slow Turn 12 needs lots of confidence in the front. I came in a little too hot and had to trail brake longer than normal on one lap, and the Q3+ handled it perfectly.
11. The Plus retains compatibility with the Q3. Every tire manufacturer will always tell you to buy tires in sets; of course, that’s best. However, the Q3s are compatible with the new Q3+, so if you have only the rear that needs replacing, the Q3 Plus rear will work just fine with the Q3 front. There is no need to junk a good tire with plenty of life left in it.
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