Sport Teams no longer required to start races on qualifying tires

01:56  17 may  2018
01:56  17 may  2018 Source:   nbcsports.com

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For post- race total weight rules, if requested by officials, teams may be required to refuel, or officials may 3. Cars must start the feature on the same tires on which they qualified . Cars running the last 1. Races longer than 50 laps will have a 1lb per lap over 50 laps allowance. 2. Maximum 58.0

This can affect various things including strategies and tire usage. 4. If a racer has the correct " racing line" (think the racing There is a regulation that requires teams to use two different types of tires during a race . If you qualify in the top 10 you must start the race on the tyres you qualified on.

a close up of a car© Getty Images

NASCAR issued a change to its rulebook Wednesday no longer requiring Cup Series teams to start races on the same set of tires they qualified on.

Previously, teams had to start races from the rear of the field if they did not start on their qualifying tires.

“This helps us ensure a level playing field, and will end speculation that teams miss qualifying purposely to start the race with a tire advantage,” said Scott Miller, NASCAR’s senior vice president of competition, in a statement to NBC Sports.

The most recent example of a car starting from the rear for starting on fresh tires was Kyle Larson last weekend at Kansas Speedway.

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You can pass warm tires , through the gaps in the Pit Wall fences. The current regulations do not state this, please could you confirm that it is no longer required to use any qualifying tyres for the start of the race and that a new set can be fitted.

How long do Michelin race tires and qualifying tires take to reach full potential? Do teams make any settings adjustments for qualifying tires ? Most don't, purely due to lack of time. When did Michelin start using qualifying tires ?

Larson spun in qualifying and flat spotted his tires, requiring him to start last. With the No. 42 Chevrolet starting on fresh tires, Larson was able to finish Stage 1 in fifth.

In February, Martin Truex Jr. started 35th at Atlanta Motor Speedway after failing pre-qualifying inspection and started on fresher tires. He was fifth at the end of Stage 1.

“That’s a really good penalty when you come to a place like this, huh?” Larson’s spotter observed during the first stage.

The number of tires teams are given in a weekend is changed also as a result. Beginning with the Coke 600, teams will have four sets of tires for practice and qualifying, except for superspeedway races, where they will have three sets.

For enhanced schedule weekends, teams will be able to carryover their qualifying set to the race. If they do not make laps on their qualifying tires, they must carry over a scuff set from practice.

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During practice your team feels they have the car dialed in for race conditions and the driver reports the car feels great on long runs. Over the years, I utilized a few tricks that helped ensure a good qualifying effort when the rules or race conditions required a new set of tires for qualifying .

The current procedure is, anyone who failed prequalifying inspection twice lost 15 minutes of practice time Saturday, and anyone who failed three times (the line was so long , no one went through for a third time and failed) would Its rule is that teams must start the race on the tires they use in qualifying .

Another rule change dictates that teams may only use traditional battery powered equipment to repair a vehicle on the service side of the pit wall.

Traditional battery powered equipment includes, but is not limited to, reciprocating saws, rivet guns, screw guns, and drills. Any other equipment may only be used at the discretion of the Series Managing Director.

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