INDYCAR announced on Friday that Kyffin Simpson in the No.4 Journie Rewards Chip Ganassi Racing Honda and Rahal Letterman Lanigan Racing’s Graham Rahal in the No.15 Honda have been handed six-place grid penalties for Sunday’s Chevrolet Detroit Grand Prix presented by Lear due to unauthorized engine changes last weekend at the Indianapolis Motor Speedway.
INDYCAR officials have announced a six-position starting grid penalty for the entries of No. 4 Chip Ganassi Racing and No. 15 Rahal Letterman Lanigan Racing for unapproved engine changes following the Sunday, May 26 race at Indianapolis Motor Speedway.
The teams were in violation of:
Rule 16.2.3.2. A fifth (5th) Engine is eligible to earn Engine Manufacturer points if a Full Season Entrant has completed the Full Season Entrant Engine Mileage with its first four (4) Engines. Otherwise, a fifth (5th) or more Engine does not earn Engine Manufacturer points and will be considered an Unapproved Engine change-out.
According to Rule 16.6.1.2., the penalty is a six-position starting grid penalty on road and street course events and nine positions at oval events and will be served at the series’ next event, which is the Chevrolet Detroit Grand Prix presented by Lear Sunday, June 2 on the Streets of Detroit.