ZL1 On GoodYear Supercar F2 tires?

[thenaz]

OK I love the ZL1 and will be one of the first to get one, if they will take my 2010 2ss 625hp in trade. My observation is that the press release states the tires as Goodyear Supercar F2's. Yet the press photos show F1's.

Looking up on Goodyears Website I can not locate any F2's. I see three models of the F1 Supercar tires. They are:

1. Eagle F1 Supercar
2. Eagle F1 Supercar G:2
3. Eagle F1 Supercar G:2 ROF (which I believe is the run flat)

I would like to know if there is an F2 Supercar tire or was this a typo?

Also I would like to know the opinions of fellow members and tire experts on the feasibility of using these F1 Supercar (or the F2s if they do exist) as a better substitute for the stock tires for aggresive spirited street driving.

I have 18,000 miles on my stock tires and I am about to get some CCW sp16a 20 x 10 and 11.5 and may put on the Goodyear Supercar rubber. The runflats appeal to me as that is what is on my Vette and the runflat feature has been useful several times on it.

So, what's up?

[Fish-man]

Eagle F1 Supercar G2

If you look very closely at the pics of the cars tires, and compare to the pics of the same from tirerack.com...

[midnighter]

P-zeros make more smoke

[91Z28350]

Per the FAQ, the F2 are supposed to be specific to the ZL1. Have no idea if that is still correct, but at least it is what is on the FAQ page.

[shank0668]

Yeah they mentioned the tires were designed for the car.

[Fish-man]

Originally Posted by shank0668

Yeah they mentioned the tires were designed for the car.

of course they are... thats how most OEMs "do tires" (as opposed to buying whatever completely off the shelf)

[KKreme15]

supercar f2's will be new for the ZL1

[Pro Stock John]

One of the wheel/tire pics I took at the show, note that the rims say ZL1 on them:



Other car shots: http://www.planetlsx.com/vehicles/20..._Auto_Show/157

[KKreme15]

"Will be" car isn't finished

[Mr. Wyndham]

Originally Posted by KKreme15

supercar f2's will be new for the ZL1

+1. Al Oppenheiser said these tires were deleveloped specifically for this car.

And you can bet they took great pains to make this vital component the best they could for the ZL1. Look forward to details on them sometime this year...

[29er]

and they are standard too on the shelby gt500.. they stick like crazy better than gen 1.--different tread design-- their rating is 220 so they will wear up pretty fast.

i like goodyear >>american made<<

[Mr. Wyndham]

Originally Posted by Hurst equipped

and they are standard too on the shelby gt500.. they stick like crazy better than gen 1.--different tread design-- their rating is 220 so they will wear up pretty fast.

i like goodyear >>american made<<

Same rating as the SS's Pirellis...that's not bad.

[radz28]

It's hard to find information on these... THESE are on GT500s, or are an older generation on them?

[radz28]

Tire Rack Review of Eagle F1 G2 Tires on a C6

February, 2010

Tires tested:Goodyear Eagle F1 Supercar G: 2 RunOnFlat (Extreme Performance Summer)
Goodyear Eagle F1 Supercar EMT (Max Performance Summer)


Vehicle used:2008 Corvette Z06

Goodyear's original Eagle F1 Supercar EMT Max Performance Summer Run-Flat tire has been Original Equipment on Corvettes with the performance handling or Z06 packages since the C6 chassis debuted in 2005. For the 2011 Corvette Z06, Chevrolet has chosen Goodyear's new 2nd generation Eagle F1 Supercar G: 2 RunOnFlat tires as Original Equipment.

The Eagle F1 Supercar G: 2 RunOnFlat combines a race-inspired tread compound molded into a unique asymmetric pattern designed to deliver significant dry grip with wet road capability. Since Corvette tire sizes won't work on Tire Rack's standard test cars, a formal test at our facility isn't possible.

However several members of the Tire Rack team did have the chance to experience the new Eagle F1 Supercar G: 2 RunOnFlat during a visit to the Bob Bondurant School of High Performance Driving in Phoenix, AZ. The Bondurant crew outfitted two of their Corvette Z06s with scuffed-in, full tread depth tires to compare back-by-back. The first car wore original Eagle F1 Supercar EMT tires and would serve as our baseline reference, while the second car was fitted with the new Eagle F1 Supercar G: 2 RunOnFlat tires.

First Impressions
After some familiarization laps in a standard C6 Corvette with the Z51 performance package on Eagle F1 Supercar EMT tires, we were ready to compare tires on a pair of the school's bright red 2008 C6 Corvette Z06s. The Z06 brings big brakes, tuned suspension and just over 500 horsepower to the equation - enough to challenge any tire holding it to the ground.

Going out first for a few laps in the car equipped with the original Eagle F1 Supercar EMT confirmed our initial impressions. It's apparent Chevrolet and Goodyear fine-tuned this combination for the C6 Corvette, as car and tire seem to be in sync with each other. Steering response was smooth and linear, turning down to the apex with precision. Overall vehicle balance was good, too, with both the front and rear tires reaching their grip limit at the same time. The Z06's traction control engaged occasionally and predictably, mostly when we were simply too aggressive with the throttle on corner exit.

Then we were back into the pits to switch to the car with the new generation Eagle F1 Supercar G: 2 RunOnFlat. It only took driving into the first turn to realize the new generation tire was working on a whole new level of performance. The most obvious change came in steering response - this car/tire combination feels directly connected to the driver, responding almost instantly to steering inputs. Several drivers commented on how the Eagle F1 Supercar G: 2 RunOnFlat felt more like a dedicated track tire than a street tire. Cornering power at the apex was impressive and perceptibly better than with the original Eagle F1 Supercar EMT. We did not experience as much intervention from the Corvette's traction control system during hard acceleration away from the corners, and braking traction felt sure-footed, too. As a package, the car fitted with the Eagle F1 Supercar G: 2 RunOnFlat felt more connected to the track, resulting in higher driver confidence and quicker overall track speed.

Objective Data
To find out just how fast around the road course the Eagle F1 Supercar G: 2 RunOnFlat was, we put Bondurant's chief instructor Mike McGovern behind the wheel. Mike knows the track, cars and original Eagle F1 Supercar EMT tire like the back of his hand, so any performance differences should become readily apparent. We equipped the cars with our Racelogic DriftBox data acquisition unit to capture lap times and performance data.

Eagle F1 Supercar (seconds) Eagle F1 Supercar G: 2 (seconds)
Lap 1 54.50 53.10
Lap 2 54.30 52.40
Lap 3 53.90 52.50
Lap 4 54.30 52.60
Average 54.25 52.65
Best 53.90 52.40
Difference 1.50 faster

First, Mike made a baseline run on the original Eagle F1 Supercar EMT, starting with 2 warm up laps followed by a tight group of 4 timed laps, averaging 54.25 seconds with a fastest lap of 53.90. Switching to the Eagle F1 Super Car G: 2 RunOnFlat he again warmed the tires and then put in another group of 4 test laps. In his first ever hot laps on the new generation tire, Mike's 4-lap average was 52.65 seconds with a fast lap of 52.40, or 1.50 seconds faster than the original Eagle F1 Supercar EMT. Wow!

A look at the data from the fastest lap on each tire shows where the new tire's performance comes from. The graph's red trace of the Eagle F1 Supercar G: 2 RunOnFlat is always beyond the trace of the original Eagle F1 Supercar EMT shown in black. With the Eagle F1 Supercar G: 2 RunOnFlat Mike was able to accelerate sooner, brake a little later and carry more speed through the corners at every turn and down each straight.

Summary
The original Eagle F1 Supercar EMT showed it's still a good design for the Corvette and will continue to be used by Chevrolet as the Original Equipment tire for performance handling package cars. The new Eagle F1 Supercar G: 2 RunOnFlat raises the bar, and will initially be available in limited sizes for key applications. In the rarified air of modern supercars, Goodyear's new Eagle F1 Supercar G: 2 RunOnFlat breathes easily, showing just why Goodyear chose to call this tire "supercar." It really is the next generation super tire for today's supercars.

Initial O.E. Applications for the Eagle F1 Supercar G: 2 RunOnFlat
C6 Corvette Z06 RunOnFlat: Front - P275/35ZR18 87Y
Rear - P325/30ZR19 94Y