NASCAR announced today that Mike Boerschinger, crew chief of the No. 87 team that competes in the NASCAR Nationwide Series, has been fined $5,000 and placed on NASCAR probation until Dec. 31, 2010 as a result of rule violations during this past weekend’s event at Michigan International Speedway. The No. 87 car was found to be in violation of Sections 12-1 (actions detrimental to stock car racing); 12-4-J (any determination by NASCAR officials that the race equipment used in the event does not conform to NASCAR rules) and 20A-5.10.1B(3) (carburetor venturies exceeded the specified size) of the 2010 NASCAR Nationwide Series Rule Book. The infractions were discovered during opening-day inspection on Aug. 12