NASCAR Camping World Truck Series -- Race No. 12 -- Built Ford Tough 225
Kentucky Speedway (1.5-mile oval) - Sparta, Ky.
Fast Facts for July 17-18, 2009
Tire: Goodyear Wrangler Speedway Radials
Number of Tires:
Left-side - 325, Right-side - 325
Tire Codes:
Left-side -- D-4134; Right-side -- D-4148
Tire Circumference:
Left-side -- 87.3 in.; Right-side -- 88.6 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 -- 46 psi; Right Rear -- 42 psi
Notes: This is the same combination of left- and right-side tires that NASCAR Camping World Truck Series teams ran at Kentucky last season . . . Truck Series teams have run this specific tire set-up three times in 2008 (Kentucky, Dover and Michigan) and once already in 2009 (Michigan) . . . as on all NASCAR ovals greater than one mile in length, teams are required to run inner liners in all four tire positions at Kentucky . . . air pressure in those inner liners should be 12-25 psi greater than the outer tire.