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Goodyear Fast Facts - NASCAR / Dover

GOODYEAR TIRE NOTES
 
NASCAR Sprint Cup Series -- Race No. 13 – FedEx 400 Benefiting Autism Speaks
NASCAR Xfinity Series -- Race No. 12 -- Buckle Up 200
NASCAR Camping World Truck Series -- Race No. 6 -- Lucas Oil 200
Dover International Speedway (1.0-mile oval) – Dover, Del.
Fast Facts for May 29-31, 2015
 
Tire: Goodyear Eagle Speedway Radials
 
Set limits: Sprint Cup: 5 sets for practice/qualifying and 9 sets for the race;
     Xfinity: 6 sets for the event;
          Camping World Truck: 6 sets for the event
 
Tire Codes:                                         Left-side -- D-4392                            Right-side -- D-4440
 
Tire Circumference:                          Left-side -- 87.32 in.           Right-side -- 88.35 in.
                                                         (2,218 mm)                        (2,244 mm)
 
Minimum Recommended Inflation:             Left Front -- 23 psi                             Right Front -- 49 psi
                                           Left Rear -- 21 psi                              Right Rear -- 45 psi
 
Notes: Teams in all three NASCAR series in action at Dover this week will run the same combination of left- and right-side tires . . . this right-side tire code (D-4440) has been run at Dover since 2012 . . . this is the first time these teams have run this left-side tire code  (D-4392) at Dover . . . compared to what was run at Dover last year, this left-side has compound, construction and mold shape changes for more grip and to bring it into line with what is run at other speedways . . . this particular left-side code has been run at Texas on the  Sprint Cup and Xfinity cars earlier this season; and at Chicagoland, Darlington (Sprint Cup and Xfinity), Homestead and Texas last season . . . Goodyear confirmed this tire set-up in a test at Dover on May 11-12  . . . drivers participating in that test were A.J. Allmendinger, Denny Hamlin, Joey Logano and Danica Patrick . . . Dover is unique among NASCAR ovals one mile or less in length, in that inner liners are required on all four tire positions . . . air pressure in those inner liners should be 12-25 psi greater than that of the outer tire.