Penrite Racing tech boss McPherson seals shock General Motors switch
McPherson joined Penrite Racing from Triple Eight Race Engineering
GM continues signing spree in post-Triple Eight era
General Motors has pulled off a Supercars coup, signing Penrite Racing technical director Grant McPherson.
While GM is yet to confirm its plans, the path is clear for McPherson to fill GM's Supercars-focused void, with another ex-Triple Eight staffer in Jeromy Moore taking up a role with GM's Cadillac LMDh sportscar program.
It comes as GM battles to stay at the top of Supercars, with Fords winning six of the first seven races of the 2026 season. Triple Eight, which raced GM machinery between 2010 and 2025, has already won three races.
Team 18, GM's new homologation team, started strongly with a win in Sydney for Anton De Pasquale, before failing to podium at the Melbourne SuperSprint.
It comes after former Team Principal David Cauchi left Penrite Racing at the end of 2025. Cauchi has not confirmed future plans.
Penrite Racing confirmed the McPherson move in a strongly-worded statement released Wednesday.
"We wish Grant well in his move to General Motors," team owner Stephen Grove said.
"It's no surprise our people are in demand as we've built one of the strongest technical teams in Supercars, and that strength comes from depth of talent.
"This is the second time General Motors have targeted our organisation, and in both instances, it has involved significant above-market offers. That speaks to the premium they are willing to pay as they work to improve their current results deficit in the post-Triple Eight era."
Formerly of Ford Performance Racing, Triple Eight and Walkinshaw Andretti United, McPherson — who joined Grove Racing from WAU at the end of 2022 — will be held to a notice period before he departs the team later this season.
Penrite Racing, meanwhile, will promote talent from within the team. The team also bolstered its stocks with the signing of ex-Ferrari Formula 1 engineer Riccardo Corte, who is overseeing Kai Allen.
Corte replaced Alistair McVean, who was promoted to a new role of Head of Performance.
"Grant will remain with the business for the next five-and-a-half months, during which time his operational involvement will be progressively removed to ensure full protection of our intellectual property and a seamless transition of responsibilities.
"By the time he commences with General Motors, any information he holds will be well out of cycle within our performance system.
“This transition has allowed us to elevate talent from within, with five internal promotions reinforcing the depth and capability of our engineering group.
“Our direction is clear, and we expect our performance to strengthen from here.”
The 2026 season resumes in New Zealand on April 10-12.