Recently NASCAR released the rules for the Gander Mountain Truck and Xfinity Series cars for the 2019 racing season. On October 2, the rules for the Monster Energy Cup Series were released and a few big changes are in store for the cars and drivers.

Designed the enhance competition, NASCAR has tailored varying rule packages to specific tracks instead of just one general rules package. NASCAR will use spacers and aero ducts sizes tailor the cars for most of the tracks on the NASCAR circuit.

The baseline aero rules include higher rear spoiler heights, a larger front splitter, and a wider radiator pan for all 36 races with the intent of increasing downforce in the cars.

The new rules package is designed to give the driver’s more control of the races with closer racing.

Even bigger changes are in store for the Superspeedway tracks of Daytona International and Talladega where restrictor plates have been in effect since 1987. After Bill Elliott topped speeds of over 210 miles per hour in a qualifying run at Talladega and Bobby Allison’s car went airborne in a crash; NASCAR deemed it necessary to slow the cars down and began restricitng the airflow to the engines in order to slow them down. NASCAR believes that the current aerodynamic rules will slow the cars down enough to eliminate the need for restrictor plates. The only exception is the 2019 Daytona 500 which will run under the current restrictor plate rules.

Other rule changes include mandatory use of the enhanced vehicle chassis for all races, a reduction in the number of tests held, and an increase in the use of sealed engines.

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