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Chase Elliott fastest in Sprint Cup practice with lower downforce package

NASCAR Sprint Cup Series FireKeepers Casino 400 - Practice

BROOKLYN, MI - JUNE 10: Chase Elliott drives the #24 NAPA Auto Parts Chevrolet during practice for the NASCAR Sprint Cup Series FireKeepers Casino 400 at Michigan International Speedway on June 10, 2016 in Brooklyn, Michigan. (Photo by Josh Hedges/Getty Images )

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Rookie Chase Elliott was the fastest in Friday’s Sprint Cup practice at Michigan International Speedway with a lap of 201.630 mph.

He was followed by Martin Truex Jr. (201.314 mph), Carl Edwards (201.218), Dale Earnhardt Jr. (201.213) and Kevin Harvick (200.904). Twelve cars topped 200 mph in practice.

The practice featured the debut of rule changes for this weekend that NASCAR intends to employ next season.

Those changes are:

  • Shortening the spoiler from 3.5 inches to 2.5 inches.
  • Resizing the deck fin to match the spoiler size.
  • Splitter reduced to 2 inches.
  • Reduce skew generated sideforce by setting rear toe to zero.

There also is a new tire from Goodyear to match the changes. The tires were confirmed in a May 17 test at Michigan with Aric Almirola, Austin Dillon, Kyle Larson and Truex. Compared to what was run at Michigan last year, the new tire features construction changes to give the cars more grip.


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