NASCAR national series enhancements explained
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Nearly 60 different enhancements / updates have been made to the NASCAR national series rules packages for 2015 in the following areas:
o New Rules, with one or more of the following goals in mind: enriched competition, improved safety, reduced cost, enhanced product relevance and environmental (green) improvements.
o Enhanced Enforcement of Existing Rules
o New Officiating Processes
o Newly Approved Parts
o Updated Business Processes
The following are among the significant updates to the competition package.
Testing
There will be a NASCAR-mandated ban on all team-initiated private testing in 2015
o Teams will be invited to participate in NASCAR / Goodyear tests
o NASCAR will not conduct a test at Daytona International Speedway prior to the Daytona 500
Rules
o 2015 NASCAR Sprint Cup Series Race Package includes
*Reduction of horsepower to 725 via tapered spacer
*Roller valve lifters to replace flat valve lifter
*Lower rear differential gear ratios targeting 9,000 RPM
*Rear spoiler adjustment to 6 inches high (2014 height: 8 inches)
*Optional driver adjustable track bar
*38-inch wide radiator pan
*Minimum vehicle weight drops 50 lbs. via ballast reduction (2014 weight: 3,300 w/o driver)
*Updated qualifying formats for all tracks
o Rain tires on road courses, similar to rules in place for the NASCAR XFINITY Series and NASCAR Camping World Truck Series; mandatory wipers, defogger and rear flashing rain light installed for the event weekend
New Officiating Processes
o Data Log and Capture System for pre-race inspections
o Automated pit road officiating at race events
Newly Approved Parts
o Revised brake calipers
Updated Business Processes
o Electronic rule book
o New parts approval process
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