NASCAR Nextel Cup Series — Race No. 23 — GFS Marketplace 400
NASCAR Busch Series — Race No. 25 — Carfax 250
Michigan International Speedway (2.0-mile oval) — Brooklyn, Mich.
Fast Facts for August 17-19, 2007
Tire: Goodyear Eagle Speedway Radials
Number of Tires:
Nextel Cup: Left-side — 1,425, Right-side — 1,425
Busch Series: Left-side — 575, Right-side — 575
Tire Codes: Left-side — D-4078; Right-side — D-4062
Tire Circumference: Left-side — 87.4 in.; Right-side — 88.7 in.
Technical Inspection Inflation:
Left Front — 30 psi; Left Rear — 30 psi; Right Front — 48 psi; Right Rear — 45 psi
Minimum Recommended Inflation:
Left Front — 22 psi; Left Rear — 20 psi; Right Front — 45 psi; Right Rear — 42 psi
Estimated Pit Window: Every 40-44 laps, based on fuel mileage (Nextel Cup).
Notes: This is the same combination of left- and right-side tires that Goodyear brought to the NASCAR Nextel Cup/Craftsman Truck Series weekend in June . . . this is a popular set-up in the 2007 tire lineup, being run at many major NASCAR tracks — Michigan, California, Dover, Kansas and Kentucky (Busch and Craftsman Truck only) . . . in addition, this left-side code (D-4078) is run with a different right-side at Chicagoland, Texas and Homestead this season . . . while the left-side code is new this season, this right-side code (D-4062) was run at Michigan, Dover and Kansas in 2006 . . . as on all NASCAR ovals greater than one mile in length, teams are required to run inner liners in all four tire positions at Michigan . . . air pressure in those inner liners should be 12-25 psi greater than that of the outer tire.
[Goodyear Racing]
- Atlanta Goodyear testing postponed
- Goodyear tire preview for Kansas
- Goodyear runs new tire codes at California
- Goodyear and NASCAR to use RFID tags to track racing tires
- Goodyear Racing Phoenix preview

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