NASCAR issued penalties on Wednesday to five NASCAR XFINITY Series pit crew members for actions at the Auto Club Speedway during pre-race on March 21.
The crew members violated sections 12-1 (actions detrimental to stock car racing: involved in a pre-race incident; failure to comply with a directive from track security) and section 12.8A (behavioral penalty) of the 2015 NASCAR XFINITY Series rule book.
Mark Armstrong has been suspended from NASCAR until April 21 and placed on NASCAR probation until Dec. 31. Armstrong was also fined $1,500. Crew members Tyler Bullard, Nathaniel House, Jeremy Howard and Ryan Mulder have all been placed on NASCAR probation through Dec. 31.
In addition to those penalties, NASCAR also handed penalties out to the No. 33 NASCAR Sprint Cup Series team. This penalty was discovered during opening inspection on March 20 at the Auto Club Speedway.
The team violated:
12.1: Actions detrimental to stock car racing;
20.14.2: Rear Suspension: Truck Trailing Arm
E. The left and right side truck trailing arms must be mounted to the truck trailing arm mounting brackets using a one-piece, minimum ¾ inch diameter magnetic steel bolt.
F. The horizontal centerline of the highest truck trailing arm mounting bolt must not be higher than the top surface of the truck trailing arm crossmember, at the respective truck trailing arm mounting bracket, when the vehicle is at inspection orientation.
INFRACTION:The ¾ inch diameter magnetic steel truck trailing arm mounting bolt was not installed horizontally.
J. Truck trailing arm must conform to the following drawing as specified in the NASCAR rule book: Rear Suspension-Truck Trailing Arm: A-008-00183-14 Rev.C
INFRACTION:Truck trailing arm monoball sleeve does not meet the drawing specifications. Sleeve is required to be minimum .125 inch minimum thick x two inches wide sleeve machined for press fit of .750 I.D. or .875 I.D. monoball assembly.
22.214.171.124.1: Truck Trailing Arm Crossmember Assembly:Truck Trailing Arm Mounting Brackets
B. Truck trailing arm mounting brackets must be constructed of magnetic steel flat plate with a minimum thickness of 0.169 inch.
INFRACTION: Truck trailing arm mounting bracket adapter was machined from Aluminum solid.
20.20: Assembled Vehicle Overall Rules
Crew chief Slugger Labbe has been fined $50,000 and will be suspended for the next three Sprint Cup Series championship events and all non-championship races. He will also be placed on probation until Dec. 31. Car owner Joe Falk has also been docked 25 championship car owner points.