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Nascar 2017
Topic

Nascar 2017

Exclusive: 2017 NASCAR Cup rules released to teams

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Exclusive: 2017 NASCAR Cup rules released to teams
By:
Oct 13, 2016, 11:53 PM

On Wednesday, NASCAR released the 2017 Cup rules to the teams.

Race action
Kyle Busch, Joe Gibbs Racing Toyota
Race action
Austin Dillon, Richard Childress Racing Chevrolet
2017 NASCAR Sprint Cup rule changes
2017 NASCAR Sprint Cup rule changes
2017 NASCAR Sprint Cup rule changes
2017 NASCAR Sprint Cup rule changes
2017 NASCAR Sprint Cup rule changes
Start: Carl Edwards, Joe Gibbs Racing Toyota leads

Motorsport.com has obtained a copy of the proposed modifications for next season.

Some of the highlights include:

1. Testing policy

An update to the National Series testing policy which would allow drivers returning to the sport following a medical absence to have an extra test under the discretion of the sanctioning body. The driver’s team must request the test and provide adequate documentation from the competitor’s physician. Once approved, the test will be scheduled so as to not provide the returning driver with a competitive advantage.

2. Spoiler Size

For non-superspeedway events, the spoiler height will be reduced from 3.5 inches to 2.375 inches, further reducing downforce. The width of the spoiler will remain 61 inches. The spoiler used in 2016 at Michigan and Kentucky was 2.50 inches by 53.00 inches.

3. Mandatory Roof Hatches at Superspeedways

Roof hatches will remain optional at other race tracks. The roof hatch will be constructed above the driver’s head as an alternative exit.

4. Energy Absorbing Material added to the toe board in the driver’s cockpit

NASCAR-approved toe board will be mandatory at Superspeedways. Toe Board must be fastened to left-side front firewall (main vertical section) and left-side floorboard forward section with a composite cover.

5. Frame Changes

In an effort to restrict movement of the rear axle during competition, NASCAR is mandating change to the main frame assembly, truck trailing arm crossmember assembly, track bar mount and truck trailing arm on rear suspension, arm spacer and pinion angle shim.

6. Restrictor Plates

For superspeedways, the initial restrictor plate hole size will decrease from 57/64 to 7/8 inch. The sanctioning body will determine the final restrictor plate hole size after Happy Hour.

7. Driver Biometric Devices

Drivers can use non-telematic devices to monitor vital signs with internal battery power which cannot be connected to any other vehicle electrical system such as the car’s battery, ECU or digital dash display. Any data generated from the device cannot be downloaded during qualifying or the race.

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About this article

Series NASCAR Cup
Author Lee Spencer