The No. 33 team that competes in the NASCAR Sprint Cup Series has been penalized for a rules infraction discovered during opening day inspection March 20 at Auto Club Speedway.
This infraction is a P4 level penalty and violates the following Sections in the 2015 NASCAR rule book:
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.
188.8.131.52.1: 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
A. Except in cases explicitly permitted in the NASCAR rules, installation of additional components and/or modifications of existing components to affect the aerodynamic properties of the vehicle will not be permitted, including but not limited to, safety systems, chassis and roll cage, suspension, steering systems, brake systems, heat shields, body fillers, body sealers, filler panels, drivetrain components and exhaust components.
As a result of this violation, crew chief Slugger Labbe has been fined $50,000 and suspended for the next three NASCAR Sprint Cup Series Championship races, plus any non-championship races or special events which might occur during that time period. Labbe has also been placed on NASCAR probation through Dec. 31. In addition, car owner Joe Falk has been docked 25 championship car owner points.