Thursday, July 25, 2013

Goodyear Tire Facts and Notes - Indianapolis Motor Speedway

NASCAR Sprint Cup Series -- Race No. 20 – Brickyard 400
NASCAR Nationwide Series -- Race No. 19 – Indiana 250 
Indianapolis Motor Speedway (2.5-mile oval)
Fast Facts for July 26-28, 2013 

Tire: Goodyear Eagle Speedway Radials:

Set limits: Sprint Cup - 6 sets for practice/qualifying and 10 sets for the race.      Nationwide -  7 sets for the event
Number of Tires: Sprint Cup - Left-side -- 1,450, Right-side -- 1,450
                                    Nationwide -  Left-side 575, Right-side -- 575

Tire Codes: Left-side -- D-4592; Right-side -- D-4476

Tire Circumference: Left-side -- 87.5 in. (2,223 mm); Right-side -- 88.3 in. (2,242 mm)

Technical Inspection Inflation:
Left Front -- 26 psi; Left Rear -- 26 psi;
Right Front -- 36 psi; Right Rear -- 36 psi

Minimum Recommended Inflation:
Left Front -- 16 psi; Left Rear -- 16 psi;
Right Front -- 37 psi; Right Rear -- 33 psi

Notes: While teams in both NASCAR series in action at Indianapolis this week will run the same right side tire code (D-4476), they will be on different left side codes. In the Sprint Cup Series, this is the first time teams have run this left side code (D-4592) at Indianapolis, though they did run it at Phoenix earlier this season. Compared to what was run at IMS last season, this tire features a compound change. Cup teams did run this right side code at Indianapolis last season. This tire set-up came out of a Goodyear test at The Brickyard on April 30-May 1. Drivers and teams participating in that test were Trevor Bayne in the No. 21 Wood Brothers Ford, Kurt Busch in the No. 78 Furniture Row Chevrolet, Jeff Gordon in the No. 24 Hendrick Motorsports Chevrolet, Brad Keselowski in the No. 2 Penske Racing Ford, Mark Martin in the No. 55 Michael Waltrip Racing Toyota and Tony Stewart in the No. 14 Stewart Haas Racing Chevrolet. In the Nationwide Series, this is the same combination of left and right side tires they ran at IMS last season. While this right-side tire code is unique to Indianapolis, these teams ran this left-side code at Phoenix twice in 2012. As on all NASCAR ovals greater than one mile in length, teams will run inner liners in all four tire positions at Indianapolis. Air pressure in those inner liners should be 12-25 psi greater than that of the outer tire.

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