Firestone using 2018 tires this weekend in Iowa

Firestone in bringing the same 2018 tire construction and compound to this year's Iowa 300
Firestone is bringing the same 2018 tire construction and compound to this year's Iowa 300

IOWA 300
300 LAPS; 7/8-MILE OVAL
Iowa Speedway – Des Moines Metro Area
Saturday, July 20 at 7:00 p.m. ET / 4:00 p.m. PT on NBCSN
#Iowa300

TIRE TRACKER: IOWA 300
Firestone is supplying nearly 1,300 race tires for on-track activities including practice, qualifying, and the race. Each entry receives an allocation of 10 sets of Firestone Firehawk race tires that feature the same race-proven compound and construction used at last year’s Iowa race.

ENGINEER'S NOTE
“When designing tires for an oval track, especially with progressive banking like Iowa Speedway, you must consider the very high loads on the right side due to the cars always turning left. Because of this load transfer, the Firestone Race Tire Engineering team designs more durable tires for the right side both in compound and construction. We offset this with a softer compound and construction on the left side to ensure the car doesn’t lose grip as it circles the banked track. We also design the right rear tires to be slightly larger than the left rear tires for this purpose. For this weekend at Iowa, we are bringing the same race-proven constructions and compounds as 2018."
– Cara Adams, Chief Engineer, Bridgestone Americas Motorsports

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