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Goodyear Fast Facts -- Phoenix

Monster Energy NASCAR Cup Series -- Race No. 35 - Can-Am 500
ISM Raceway (1.0-mile oval) - Avondale, Ariz.
Fast Facts for November 9-11, 2018

Tire:
Goodyear Eagle Intermediate Radials

Set limits: Cup:
3 sets for practice, 1 set for qualifying and 8 sets for the race

Tire Codes:
Left-side -- D-4664; Right-side -- D-4836

Tire Circumference:
Left-side -- 2,224 mm (87.56 in.);
Right-side -- 2,244 mm (88.35 in.)

Minimum Recommended Inflation:
Left Front -- 14 psi; Left Rear -- 14 psi;
Right Front -- 32 psi; Right Rear -- 30 psi

Storyline - Despite changes at Phoenix, on-track challenges remain the same: The start/finish line at ISM Raceway may have moved location, but the track configuration and surface have not changed. Goodyear held a tire test at the facility in early October and is coming back with a minor construction update compared to what Monster Energy NASCAR Cup teams ran there in March. While ISM is a mini-speedway, it has elements of a short track as well. With that, braking and brake heat is often a factor. In order to gain an aerodynamic advantage, teams will close up the front of the car as much as they can. They also have to keep enough air flowing through the brake openings to help keep temperatures down. Without adequate cooling, the combination of engine heat and heavy braking causes sustained heat over the course of a run that can damage the rubber in the bead area of the tire that seats up against the wheel. If that area weakens, the tire can suffer an air loss.

"Its important to remember that Phoenix has both short track and speedway characteristics," said Greg Stucker, Goodyear's director of racing. "Teams need to balance between keeping their tires cool and sealing up the front of the car to get as much front downforce as possible. We see brakes temperatures higher than 1,000 degrees and, without adequate cooling, that can cause the rubber in the bead area of the tire degrade to the point that it doesn't keep a full seal up against the wheel. We have come to call that a 'melted bead,' which causes the tire to lose air."

Notes - New right-side tire debuts for Cup cars at Phoenix: While teams in all three NASCAR National series will run the same left-side tire code at Phoenix this weekend, those in the Cup Series will run a different right-side code than those in Xfinity and Camping World Truck . . . this is the first time Cup teams have run this right-side tire code, though they have run this left-side code at Phoenix since the beginning of 2016 . . . compared to what the Cup teams ran at Phoenix in March, this right-side tire features a construction update . . . this tire set-up came out of a Goodyear test at Phoenix on October 2-3 . . . drivers participating in that test were Denny Hamlin, Matt Kenseth, Kyle Larson and Paul Menard . . . Phoenix is the only track at which these teams run either of these two tire codes . . . as on most NASCAR ovals one mile or less in length, teams will not run liners in their tires at Phoenix.

NASCAR Xfinity Series -- Race No. 32 - Whelen Trusted To Perform 200
NASCAR Camping World Truck Series -- Race No. 22 - Lucas Oil 150
ISM Raceway (1.0-mile oval) - Avondale, Ariz.
Fast Facts for November 9-10, 2018

Tire: Goodyear Eagle Intermediate Radials

Set limits:
Xfinity: 6 sets for the event;
Camping World Truck: 5 sets for the event

Tire Codes:
Left-side -- D-4664; Right-side -- D-4666

Tire Circumference:
Left-side -- 2,224 mm (87.56 in.);
Right-side -- 2,244 mm (88.35 in.)

Minimum Recommended Inflation:
Left Front -- 14 psi; Left Rear -- 14 psi;
Right Front -- 34 psi; Right Rear -- 32 psi

Notes - No changes for Xfinity, Truck tire set-up: While teams in all three NASCAR National series will run the same left-side tire code at Phoenix this weekend, those in the Xfinity and Camping World Truck Series will run a different right-side code than those in Cup . . . this is the same combination of left- and right-side tires that NASCAR Xfinity and Truck teams have run at this track since the beginning of 2016 . . . for the Xfinity cars, Phoenix is the only track at which they run either of these two tire codes, though the Trucks ran this same combination of left- and right-side tires at Gateway in June . . . as on most NASCAR ovals one mile or less in length, teams will not run liners in their tires at Phoenix.

--- Goodyear Racing ---