What if you happen to simply wish to go as quick as potential but nonetheless safely drive your automobile to and from the observe? No guidelines, simply max efficiency? No pesky 200tw limits both? Streetable Observe Day tires are your jam.
Not like their quasi-street-legal R-comp brethren, these tires have ample puncture resistance within the carcass and the tread depth to be OE fitments …
Goodyear Eagle F1 SuperCar 3R
- Quick Lap: 1:24.26
- Value: $274
On the Street: Belying its OE designed roots, the Goodyear Eagle F1 SuperCar 3R is a deal with on the highway–comparatively quiet with cheap journey high quality over bumps. Steering response is intuitive and fast.
On the Observe: That fast response magnifies as g-loads enhance, keen the motive force to go deeper and brake later. However the restrict of adhesion is obscure, with little audible suggestions, so it takes some expertise to attract out the utmost accessible efficiency. A broad plateau of grip with simple breakaway eases the trouble.
On this cool day, it took a whopping 4 laps to get sufficient warmth into the tire for full grip. In truth, we nearly drove proper off the observe floor as we exited the paddock with chilly tries. However as soon as it was heat, magic was on show and the tire clicked off quick lap after quick lap. The development of lap instances was largely the motive force discovering bits of time right here and there by the top of the session.
Hoosier TrackAttack Professional
- Quick Lap: 1:24.34
- Value: $307
On the Street: With the DNA of an R-comp, the TrackAttack Professional is a bit much less streetable than the others. The carcass could be very stiff, delivering each bump proper into the pit of your abdomen. There isn’t any noise from the tread design, however course pavement like chip seal transmits on to your ears. Ignoring these downsides, the steering response is linear and responsive, bringing a liveliness to the expertise.
On the Observe: These traits are amplified as soon as on observe. Crisp steering and powerful mixed loading make it particularly good at trail-braking. As with the Goodyear, the TimeAttack Professional’s consistency allowed for small driver enhancements all through the session.
Vitour Tempesta Sonic
- Quick Lap: 1:24.52
- Value: $307
On the Street: Because of a tread design resembling the model’s P1 however with the outer groove crammed in, the Sonic is sort of streetable. The gentle tread cap rubber mutes the everyday harshness of small highway irregularities. Steering response is pretty uninteresting however direct and linear. One odd trait: At low lateral loading, the tire has little or no self-centering, requiring extra driver interplay than is typical.
On the Observe: The Sonic wakes up and delivers underneath heavy loading asks. Audible suggestions declares the approaching restrict, whereas breakaway is clean and simply managed. Regardless of the chilly observe temps, the compound finally started to warmth soak a bit, and efficiency degraded. This was accompanied by elevated squeal, making it simple to handle.
Goodyear Eagle F1 SuperCar 3R (retest)
To bracket our testing and to scout for potential observe evolution and driver enchancment results, we reran the Goodyear Eagle F1 SuperCar 3R on the finish. Because of residual core carcass heat, it solely took two laps to activate the compound absolutely this time. Lap instances remained inside a tenth of the sooner session, so we have been assured our knowledge was good.
A number of days later, the climate modified to a balmier 75° and sunny, so we went again to the observe to see if the relative outcomes would change underneath triple-digit observe temps. Briefly, they didn’t. Whereas the observe was general a bit slower, the hole between the 2 tires was about the identical. The tires did grip up with considerably fewer prep laps, although.
A number of days later, we spent one other day on the observe working simply the Sonic for a number of classes to see if extra warmth cycles would enhance efficiency. Although we by no means discovered considerably extra lap time–only a couple tenths–we did get pleasure from dialing into its finer factors. The Sonic is a good tire for turning high quality laps and again highway shenanigans.
Evaluating the Vitour Tempesta Sonic to the Goodyear Eagle F1 SuperCar 3R, we are able to see the Goodyear’s compound hangs in there longer for high-energy occasions–lengthy, sustained cornering or nook exit after heavy braking. The price for that is delayed turn-on time throughout warmup laps for the Goodyear.
Whereas the opposite tires wore evenly, the Sonic wore extra on the outer shoulder of the tire, suggesting that extra camber is likely to be wanted. That is the alternative of Vitour’s P1 providing, which usually wants lower than different manufacturers. {Photograph} by Andy Hollis.
Conclusions
{Photograph} by Timothy Harper.
Whereas the Sonic just isn’t a game-changer, it’s actually within the combine on this class–particularly if the extra tread depth proves to convey longer life. It’s one factor to be fast, however service life issues, too.
Additional, completely different tires react in a different way to completely different conditions. For example, Hoosier’s TrackAttack Professional has labored nice on our ND Miata, however we tried a set on the McLaren 720 that we ran at Tire Rack Ultimate Track Car Challenge this 12 months and located them to be off-pace and fragile. We slapped on a set of Vitour P1s, and regardless of worse circumstances, discovered a second and a half lap time enchancment–and a lot better sturdiness.
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