NASCAR will use two primary rules packages next season and race at Daytona and Talladega without restrictor plates for the first time since 1987.

The rules packages revealed Tuesday will be tailored to specific tracks and designed to slow Cup Series cars to create more passing for the lead. At Daytona and Talladega, the two fastest tracks in NASCAR were horsepower-sapping plates are used on the engines, NASCAR will now use a thicker tapered spacer with tapered holes aimed to restrict air flow.

NASCAR next year wants to lower the horsepower in Cup cars at 21 races, all on ovals larger than 1.2 miles, from 750hp to 550hp.

The 14 races on tracks shorter than 1.2 miles in length will use the same sized spacers from this season.

The season-opening Daytona 500 next year will be run under current configurations that combine the restrictor plate with a tapered spacer.

NASCAR will go to just a spacer at Daytona and Talladega after the 500.

NASCAR believes the adjustments will create more passing, more drafting and afford a better throttle response for the drivers.

NASCAR executive vice president Steve O’Donnell insisted the idea is not to create pack racing at every track, but instead tighter competition.
(Associated Press, copyright 2018)

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