INDYCAR announced on Friday that Chip Ganassi Racing’s Scott Dixon and Rahal Letterman Lanigan Racing’s Graham Rahal have been handed grid penalties for Sunday’s Chevrolet Detroit Grand Prix presented by Lear.
Both drivers have received six-place grid penalties.
Chip Ganassi Racing entry No. 9 was in violation of:
Rule 16.1.2.3.2. 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.
Rahal Letterman Lanigan Racing entry No. 15 was in violation of:
Rule 16.1.5.4. Once an Indianapolis 500 Mile Race Engine is fitted to the Car, removal prior to the Indianapolis 500 Race is an Unapproved Engine Change-Out, unless it is replaced for Repair.
According to Rule 16.1.6.1.2., 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 1 on the Streets of Detroit.