Monster Energy Cup update: Competition changes for 2017 affect … – Nascar

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NASCAR competition officials issued memos detailing rule book changes for the 2017 season in its three national series, including limits on tire allocation, restrictor-plate and spoiler size, and an allowance for drivers to use biometric devices.


The 80 total pages of revisions released Friday afternoon pertain to Sections 20 (Vehicle and Driver Safety specifications) and 21 (Pit Equipment and Crew Safety specifications) across the Monster Energy NASCAR Cup Series, NASCAR XFINITY Series and the NASCAR Camping World Truck Series.


Among the highlights in the rules updates:


NASCAR set its regulations on tire allocation for all three series in 2017. In the Monster Energy Cup Series, the number of tire sets available to teams per event dropped for 13 of the 36 points-paying races and increased for eight events compared to last year. With the exception of the season finale at Homestead-Miami Speedway, the number of tire sets was only adjusted by one. Teams will have two fewer sets in the season-ending event this season, a reduction from 2016’s 12 sets to just 10 in 2017.


Tracks with one fewer set of tires allowed next season: Daytona (500 only), Phoenix (both races), Auto Club, Martinsville (both races), Bristol (both races), Kansas (both races), Kentucky and Chicagoland. Tracks with an additional set of tires allowed next season: Talladega (both races), Sonoma, Daytona (July only), New Hampshire (both races), Watkins Glen and Darlington.


In 2017, Monster Energy Cup teams will be required to start the race on the tires they used in Coors Light Pole Qualifying. This change does not apply to the XFINITY or Camping World Truck Series.


Drivers in all three series may use biometrics devices in their vehicles in 2017. The wrist-worn health tracking devices may not transmit data, may not connect to the vehicle in any way and must operate on an internal battery. Devices eligible for use are certain models made by Garmin, Misfit, Polar, Samsung, Tom Tom and Jawbone.


The 2017 aerodynamic package for non-restrictor plate tracks in the Monster Energy Cup Series will feature a shortened rear spoiler, measuring 2.35 inches tall. The standard rear-spoiler height for premier series teams last season was 3.5 inches, with a 2.5-inch tall spoiler used at Kentucky and both Michigan races as auditions for this season.


For superspeedway events at Daytona and Talladega, the restrictor plate opening will be smaller by 1/64 of an inch — reduced from 57/64 to 7/8. The change affects only the Monster Energy Cup and XFINITY series for those two tracks.


Additional safety guidelines were issued for restrictor-plate events for Monster Energy Cup and XFINITY teams. Among them, the previously optional roof hatch is now mandatory as an alternate escape route. Competition officials have also required the use of energy-absorbing materials to strengthen the area occupied by the drivers’ feet in the cockpit.


Monster Energy NASCAR Cup Series teams will be required to carry a roof-mounted camera assembly at all times, whether in use by broadcast partner networks or not.


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