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XFINITY to run restrictor plates at Indianapolis - Update

Jeffrey Brown/Icon Sportswire

Original post - 3-20-2017 NBC Sports has confirmed that NASCAR will use restrictor plates for the Xfinity race July 22 at Indianapolis Motor Speedway. The decision, which initially was reported by freelance journalist Michael Knight on Twitter last weekend, will take effect after NASCAR was pleased by the results of a successful Xfinity test with plates last year at the 2.5-mile track.

A NASCAR official, speaking on the condition of anonymity because they weren't authorized to discuss publicly, said if the Xfinity race goes well, then restrictor plates would be used for the 2018 Brickyard 400 in the Cup Series.

NASCAR also is considering using the same plate-style rules package for Indianapolis, Pocono Raceway and Michigan International Speedway.

Far less likely in the short term is the use of the IMS road course, which the Sports Business Journal reported last week was under consideration for usage in Cup. An IMS spokesman declined comment on the report.

-- NBC Sports --

UPDATE: Teams competing in the NASCAR XFINITY Series race at Indianapolis Motor Speedway later this year will do so with a race package that incorporates three major modifications aimed at one goal -- improved competition at the legendary 2.5-mile speedway.

Designed specifically for the 100-lap race scheduled for July 22, the modifications consist of a taller rear spoiler and splitter package; aero ducts on the lower front bumper area; and a 7/8th-inch restrictor plate currently used for superspeedway events at Daytona International Speedway and Talladega Superspeedway.

The static ride height of the cars will remain at 4 inches, which is unchanged from the current 2017 rules package.

The Indy package was crafted after much in-house simulation and development and then field-tested on Oct. 12 at IMS for verification. XFINITY Series teams from Richard Childress Racing, Roush Fenway Racing and Kaulig Racing participated in the test.

Speeds likely won't vary greatly with the new package, and the use of restrictor plates isn't expected to generate the big packs of traffic on the track similar to what typically is seen at Daytona and Talladega. Stefanyshyn said it's more likely that there will be several groups of five or six cars each, "and in each of those groupings we're hoping to see passing on the straightaways."

-- NASCAR.com --

AND: NASCAR announced today new car specifications, which implement engine restrictor plates, for the NASCAR XFINITY Series race Saturday, July 22 at the Indianapolis Motor Speedway.

IMS President J. Douglas Boles made this statement about the new equipment package for the 250-mile race, which was adopted after a successful test last year at IMS:

"We're encouraged and supportive of this change by NASCAR and appreciate the collaborative effort to enhance the overall fan experience during this event. The lineup for the entire weekend is exciting, starting with the Fan Fest on Friday, a full day of Monster Energy NASCAR Cup Series and NASCAR XFINITY Series action on Saturday and the 24th annual Brickyard 400 on Sunday."

-- Indianapolis Motor Speedway --