2016 NASCAR Rules Package Announced

NASCAR has announced the rules for 2016 and the low-downforce package is coming back.

In a 2:30 p.m. teleconference, NASCAR Executive Vice-President and Chief Racing Development Officer Steve O’Donnell announced that every race, sans the plate races, would use the low-downforce aerodynamic package that was used at Kentucky Speedway in July and Darlington Raceway on Labor Day Sunday.

The changes are as follows: a 3.5 inch rear spoiler (down from six), quarter inch front splitter leading edge (down from two), a 33-inch wide radiator pan (down from 38), rear gear ratios adjusted to maintain nine-thousand RPM maximum engine speed and a 1.38 third gear ratio for tracks smaller than 1.25 miles (Martinsville Speedway, Bristol Motor Speedway, Richmond International Raceway, Dover International Speedway, Phoenix International Raceway and New Hampshire Motor Speedway).

Some changes were also made to the superspeedway package (Daytona International Speedway and Talladega Superspeedway): Engine roller lifters will replace solid lifters (I don’t know what that is or does, but the bulletin NASCAR handed out says it’ll add 10 horsepower), restrictor plate size reduced from 29/32 to 57/64 inch and standardized radiator and oil cooler (effective Daytona in July).

Regardless of track, all cars will have the digital dash.

In regards to tires, the “base package provides opportunity for Goodyear to safely develop  track-specfic tires to complement aerodynamic effects for optimal racing.”

Safety changes were also made: Fire suppression system activation cable routed to dash or right-hand  side leg board, right-hand side double NACA duct to cool drivers at track where side  window is used and seat belt restraint systems must meet SFI 16.6 specification.

O’Donnell also noted that the changes just pertain to the Sprint Cup Series.

You can click on the bulletin below to read the changes.


The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of SpeedwayMedia.com

Tucker White
Tucker White
I've followed NASCAR for well over 20 years of my life, both as a fan and now as a member of the media. As of 2024, I'm on my ninth season as a traveling NASCAR beat writer. For all its flaws and dumb moments, NASCAR at its best produces some of the best action you'll ever see in the sport of auto racing. Case in point: Kyle Larson's threading the needle pass at Darlington Raceway on May 9, 2021. On used-up tires, racing on a worn surface and an aero package that put his car on the razor's edge of control, Larson demonstrated why he's a generational talent. Those are the stories I want to capture and break down. In addition to NASCAR, I also follow IndyCar and Formula 1. As a native of Knoxville, Tennessee, and a graduate of the University of Tennessee, I'm a diehard Tennessee Volunteers fan (especially in regards to Tennessee football). If covering NASCAR doesn't kill me, down the road, watching Tennessee football will. I'm also a diehard fan of the Atlanta Braves, and I lived long enough to see them win a World Series for the first time since 1995 (when I was just a year old). I've also sworn my fan allegiance to the Nashville Predators, though that's not paid out as much as the Braves. Furthermore, as a massive sports dork, I follow the NFL on a weekly basis. Though it's more out of an obligation than genuine passion (for sports dorks, following the NFL is basically an unwritten rule). Outside of sports, I'm a major cinema buff and a weeb. My favorite film is "Blazing Saddles" and my favorite anime is "Black Lagoon."


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