The 42-year-old Allmendinger from Los Gatos, California, is primed to achieve a milestone start in his return as a full-time Xfinity Series competitor.
The Chicago native joins Trackhouse Racing following a three-year Cup Series crew chief campaign at Kaulig Racing, where he achieved a total of two victories with AJ Allmendinger.
Portland-area native Brad McAllister drove from last to first in a wild, attrition-filled race two at Portland International Raceway. After several competitors experienced issues early in the Trans Am Series presented by Pirelli Western Championship's second event of a doubleheader weekend, McAllist.
The Trans Am Series presented by Pirelli Western Championship kicks off the second half of the 2023 season this weekend with a doubleheader at Portland International Raceway.