Tires

[betegh9]

George3 wrote:

Larry Herman wrote:

MPSCs and Hoosier R6s are roughly similar in terms of lap times, though the feel, warmup, grip characteristics and longevity are totally different. They, along with the BFG R-1 are at the top of the R compound heap.

Larry-
How do the Kumho V710's compare with the R6's & R1's ??
These seem to be popular with the AX'ers.

George, let me chime in since I have had lots of experience with AX competition. Hoosier A6's is top dog, fastest tire right out of the box, no warm ups. these are ONLY good for 3 laps max on a track, and some guys use them to qualify or for a TT. The A6's begin loosing stick after 10 to 12 heat cycles and toast after 40, and I would definitely not attempt anywhere near that on a track. The tire will be gone, as in no rubber. Don't forget that the 40 AX heat cycles are about 60 seconds each. The R6's and the V710 run about 1 second behind (on a 60 second course) as long as it is a hot summer day or you have a tire warmer (co driver, since mechanical tire warmers are not allowed in REAL AX competition), so in cold weather the gap may be greater. The R1's are a few nanoseconds behind the R6's, but I don't know how its longevity is in comparison to the R6, for that, an R1 user may have to chime in.
I heard that there is a new player in town...........Goodyear, a well known race tire maker (slicks) is entering the DOT R rated field. I guess that they found that there IS a market in this nitche. Type, tread, sizes........ I don't know. Anybody know anything else?