IndyCar announces change to rulebook

INDYCAR has updated Section 14.14 (Tires) of the 2013 IZOD IndyCar Series rulebook, effective with the Toyota Grand Prix of Long Beach this weekend. Under the updated rule:

· Changing tires on the pre-race grid is not permitted without INDYCAR approval (

· Entrants completing five (5) or more laps during Practice Session 1 (Group B) will earn an additional set of primary tires. These laps may consist of any combination of "in" and/or "out" laps. (

The update to Rule is intended to allow all entrants to participate for longer periods in the initial practice session. There is no mandate on which set of tires entrants must use for the five laps. Rookies and entrants outside of the top-10 in the point standings still must return their additional set of tires, regardless of use, after the completion of Session 1.

Firestone Racing tire allotments are a maximum of four sets of primary, three sets of alternates plus an opportunity to earn a bonus set of tires per entrant for each single race event. Eight sets of primary, three sets of alternate tires and an opportunity to earn a bonus set will be allotted to each entrant for the doubleheaders at Detroit, Toronto and Houston.

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