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Goodyear tire test at Michigan rescheduled due to weather

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The postponed Food City 500 and a wet and cold forecast has forced Goodyear to reschedule this week’s tire test at Michigan International Speedway.

Originally scheduled for Tuesday and Wednesday, the test will now occur next week from April 24-25.

The move means that a scheduled tire test at Indianapolis Motor Speedway for those days will be rescheduled to an undetermined date.

The Michigan test takes priority with the first NASCAR race weekend at the 2-mile speedway scheduled for June 8-10. NASCAR won’t visit IMS until Sept. 7-9.

“Hopefully, this will give us much more representative conditions of what to expect for race time in June,” said Greg Stucker, Goodyear’s director of racing, in a press release. “Since our Indy tire test was planned for this time, we’ll have to move that test to sometime in June or July.”

Teams and drivers scheduled to test at Michigan are Furniture Row Racing (Martin Truex Jr.), Hendrick Motorsports (Alex Bowman), Team Penske (Brad Keselowski), Richard Childress Racing (Austin Dillon) and Stewart-Haas Racing (Aric Almirola).

Indianapolis test teams include Chip Ganassi Racing (Jamie McMurray), Joe Gibbs Racing (Daniel Suarez), Roush Fenway Racing (Ricky Stenhouse Jr.) and Wood Brothers Racing (Paul Menard).

‘Option’ tire won’t be used in All-Star race, idea not a ‘dead issue’

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A Goodyear racing executive said a softer “option” tire will not be used in May’s All-Star Race at Charlotte Motor Speedway, but the idea of it is not a “dead issue.”

Greg Stucker, Goodyear’s director of racing, made the announcement Tuesday on SiriusXM NASCAR Radio’s “Tradin’ Paint.”

The “option” tire was introduced last year for the exhibition race. The softer tires provided cars more grip and speed, providing lap times that were three to four-tenths of a second quicker compared to the “prime” tire.

But Stucker said that once the lights came on at Charlotte Motor Speedway, any advantage was nullified.

“I think it really lends itself to a race like the All-Star,” Stucker told SiriusXM NASCAR Radio. “I think there’s some real opportunities there. We all kind of figured last year we needed about three to four-tenths (of a second) between the prime tire and the option tire. That’s exactly what we had when we did back to backs in the daytime. But when the race came along and it cooled down, the cooler temperatures kind of leveled everything out. I think the difference between the prime and the option wasn’t big enough last year to overcome the aerodynamic advantage of a guy who was out front.”

Stucker also said there “probably also needs to be more of a penalty that you pay” or a “compromise” when the softer tire was used.

In the race, teams could put on the “option” tire at any point. But if they put them on before the final stage, they had to restart from the rear. All teams used their “option” tire before the final stage.

Stucker said the option tire could make a reappearance soon.

“I don’t think it’s a dead issue, we’ve talked about it a couple of different times,” Stucker said. “I’m sure we’ll talk about it over the course of 2018 and perhaps see it again in 2019.”

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Goodyear tire info for NASCAR at Daytona International Speedway

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Goodyear has announced the tires that will be used by all three of NASCAR’s national series during Speedweeks at Daytona International Speedway.

While all three series will use the same type of tire compounds, only the Cup and Xfinity Series have raced on it before.

They first used the new compounds in July at Daytona. The previous tire compound used at Daytona had been introduced in 2013.

For the Trucks, compared to what was run at Daytona last February, there is a compound change to both the left and right-side tires to give the trucks more grip.

As on all NASCAR ovals greater than 1 mile in length, teams are required to run inner liners in all four tire positions at Daytona. Air pressure in those inner liners should be 12-25 psi greater than that of the outer tire.

MORE: What’s new in the Cup Series in 2018

Here’s the full tire info from Goodyear.

Set limits: Cup: Clash: Six sets for the event; Daytona 500: eight sets for practice/qualifying/Duels & seven sets (plus one transferred set) for the race.

Xfinity: Four sets for the event.

Camping World Truck: Five sets for the event.

Tire Codes: Left-side — D-4738; Right-side — D-4740

Tire Circumference: Left-side — 2,237 mm (88.07 in.); Right-side — 2,247 mm (88.46 in.)

Minimum Recommended Inflation: Left Front — 27 psi; Left Rear — 27 psi; Right Front — 50 psi; Right Rear — 48 psi

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Goodyear tire info for NASCAR’s weekend at Watkins Glen International

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When NASCAR Cup and Xfinity Series teams take to Watkins Glen International this weekend they will be racing on the same type of tire.

This will be the first time this tire code has been used and this is the only track it is used at. Compared to what was run at Watkins Glen last year, this tire features a compound change
to give the cars more grip. As on all NASCAR road courses, teams will not run inner liners in their tires at Watkins Glen.

Here’s the tire info:

Set limits: Cup teams will receive three sets for practice, one set for qualifying and five for Sunday’s race.
Xfinity series teams will have six sets for the entire weekend.

Tire Code: D-4716 (same on all four tire positions)

Tire Circumference: 88.23 in. (2,241 mm)

Minimum Recommended Inflation: Left Front — 26 psi; Left Rear — 21 psi; Right Front — 24 psi; Right Rear — 21 psi

With this weekend being a road course, teams will also have rain tires on hand in case things get wet.  Goodyear will bring its wet weather radials (D-4215) for both series.

Wunderground.com predicts chances of overnight rain and thunderstorms Friday night. Chances of rain do not go above 15 percent after 7 a.m. ET on Saturday.

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Goodyear tire info for NASCAR at Auto Club Speedway

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NASCAR’s West Coast Swing ends this weekend at Auto Club Speedway in Fontana, California. The 2-mile speedway is only the second track larger than 1.54-miles that NASCAR has visited so far this season.

NASCAR Cup and Xfinity Series teams will use the same tire combination this weekend. The combination is unique in its use for Auto Club Speedway. Xfinity teams will have a different minimum recommended inflation on their left-front tires.

Cup team will be allowed four sets for practice, one set for qualifying/start of race and 10 sets for race. Xfinity teams will be allowed eight sets for the entire weekend.

Here is the tire info:

Tire Codes: Left-side — D-4650; Right-side — D-4658

Tire Circumference: Left-side – 87.56 in. (2,224 mm); Right-side – 88.39 in. (2,245 mm)

Minimum Recommended Inflation (Cup): Left Front – 19 psi; Left Rear – 19 psi; Right Front – 45 psi; Right Rear – 42 psi

Minimum Recommended Inflation (Xfinity): Left Front – 21 psi; Left Rear – 19 psi;Right Front – 45 psi; Right Rear – 42 psi

This is the same combination of left and right-side tires Cup teams ran in this race last year. Xfinity teams ran this left-side tire at Auto Club in 2016, but this is their first time running this multi-zone tread right-side tire. Cup teams also ran this left-side tire at Indianapolis and Darlington last season, while Xfinity teams ran it at Pocono and Indianapolis.

This right-side code, being a multi-zone tread tire, features two distinct tread compounds on the same tire — one for endurance and heat resistance on the inboard two inches of the tread and one for traction on the outboard 10 inches. Like with all NASCAR ovals greater than 1 mile in length, teams are required to run liners in all four tire positions at Auto Club. Air pressure in those inner liners should be 12-25 psi greater than that of the outer tire.

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