How virtual energy has become a defining principle in Hypercar racing

The IMSA SportsCar Championship underwent a profound shift with its adoption of new rules for 2023. Teams now had a spec hybrid system to optimise, while the move from DPi to LMDh also meant a new philosophy for calculating energy usage – falling in line with the World Endurance Championship, allowing for the platform to […]
How Acura’s GTP wheel loss fix keeps IMSA title dream alive

Acura’s ARX-06, built to the new-for-2023 LMDh rules format and featuring an electrical hybrid system, came firing out of the blocks by taking a 1-2 finish in the Daytona 24 Hours. But it then encountered a mechanical problem that led to its cars shedding left-rear wheels in some subsequent races. The issues affected Acura in […]
New hydrogen electric MissionH24 concept revealed with focus on performance

A joint venture between Le Mans 24 Hours organiser the Automobile Club de l’Ouest and hydrogen specialist GreenGT, MissionH24 gave its LMPH2G hydrogen concept a first demonstration run at Spa in 2018, before it took part in a live practice session for a Le Mans Cup round the following year. Its successor, the H24, featured […]
Toyota has shown it was right to stay during lean years

The driver/team principal made the remarks following Toyota’s latest success at Fuji last month, as it sealed the manufacturers’ title with a round to spare thanks to a 1-2 finish with its pair of GR010 HYBRID Le Mans Hypercars on home soil. Toyota has continued to be the team to beat in the WEC’s Hypercar […]
“No playing games” in GTP title showdown at Road Atlanta

The 29-year-old Brazilian, along with co-driver Alexander Sims, sit atop the overall standings, with their Cadillac V-Series.R scoring victory in the 12 Hours of Sebring and two additional podiums [Laguna, Watkins Glen] through eight rounds. The Action Express Racing duo enter this weekend’s Petit Le Mans with 2,460 points. The gap at the top is […]
No Porsche GTP team orders for “winner takes all” Petit Le Mans

This weekend’s 10-hour Petit Le Mans finale will be a shootout between Porsche, Acura, BMW and Cadillac with all three GTP titles up for grabs between multiple contenders at Road Atlanta. The factory Porsche 963 squad has won three of the eight GTP events so far, with Nick Tandy and Mathieu Jaminet leading its charge […]
The challenges of making Hypercar tyres without heaters

I was excited and happy to get the brief from the FIA and Automobile Club de l’Ouest to develop tyres that work without using warmers for the 2023 World Endurance Championship. It’s a regulation change that Michelin has been strongly pushing for the last couple of years. We included it in our proposal answering the […]
Dunlop wants extra cars, not more testing time

After parting ways with Team Mugen over the winter, Dunlop returned to supplying just one car in SUPER GT’s top class this season, the Nakajima Racing Honda NSX-GT. The #64 car shared by Takuya Izawa and rookie Kakunoshin Ota scored second in a rain-affected Fuji round in August, but has otherwise struggled for competitiveness. Following […]
Cadillac sticks with one 2024 WEC entry due to “cost barrier”

Currently, Chip Ganassi Racing [CGR] operates the lone Cadillac V-Series.R in WEC, with a desired expansion put on hold due to measured cost. Mark Stielow, the director of competition engineering for General Motors, confirmed the update on an IMSA video call with Motorsport.com and other select media, ahead of this weekend’s season finale at Road […]