LEEDS, Ala. — Groups in subsequent week’s Sonsio Grand Prix can have two units of alternate compounds tires and two units of major compound tires for the race that kicks off the Month of Could on the Indianapolis Motor Speedway.
The tire allotment change was introduced by IndyCar Saturday at Barber Motorsports Park, web site of Sunday’s Youngsters’s of Alabama Indy Grand Prix.
Which means yet one more set of Firestone Black tires (major) — yet one more than typical and a further set of Firestone Crimson (alternates) for the race.
There aren’t any necessities by way of new (sticker) units of tires used within the race. The 2 accomplished laps wanted to fulfill the tire requirement rule, the place one (1) lap should start as soon as the inexperienced flag has been exhibited to the Race Chief (Rule 15.3.3.2.3.) for every of the 4 units (Rule 15.3.3.2.) stays in impact.
The replace strives to make sure an all-out, driving on the restrict, thrilling and entertaining product for followers and generate much more strategic challenges for North America’s premier open-wheel racing sequence.
Moreover — working with Firestone — the present, commonplace occasion weekend street and road circuit tire allocation that started this season (5 units of primaries and 5 units of alternates) was contemplated with this tire requirement format choice in thoughts.
The tire allocation for the IMS street course, the one two-day street and road circuit occasion on the 2025 NTT IndyCar Collection schedule, stays unchanged at 5 units of primaries and 4 units of alternates.
“IndyCar is regularly wanting into methods to enhance an already extraordinary on-track product,” IndyCar President Doug Boles stated. “Firestone is a terrific accomplice, and their larger degradation alternate tire has given strategists a lot to consider on street and road circuits this yr. We anticipate this replace will problem groups and drivers much more.”
In a further transfer to make sure extra strong on-track exercise throughout the Sonsio Grand Prix occasion, apply two on the IMS street course will probably be adjusted from a restricted inexperienced flag assure of 45 minutes to 35.
Following the occasion on the IMS street course, IndyCar will assessment each up to date procedures and consider its use for future races.
