These prototype race cars can have almost any engine they please ... among other details. Four LMDh cars from major auto manufacturers—Porsche, BMW, Cadillac, and Acura—are going racing ...

Adam Trojanek, Cadillac LMDh Lead Propulsion Engineer “There are always opportunities to find more power and more efficiency with a new engine versus something that is already homologated ...

Cadillac developed a new engine for the V-Series.R, a car built to IMSA and the ACO’s LMDh regulations. The LMDh ruleset takes an interesting approach to the internal-combustion engine (ICE).

It’s especially interesting because the Cadillac LMDh car takes off with power that’s exclusively provided by an electric motor. The engine then kicks in with a thud and rumble when the car ...

Cadillac's LMC55.R V-8, however, has something unique compared to other LMDhs. Read more: The 12 Fastest F1 Cars Of All Time, Ranked V8 engines aren't uncommon in the LMDh series, but Cadillac ...

Under LMDh rules, the powertrain's output must be capped at 670 hp. Cadillac describes the V-8 as a newly developed unit, meaning it isn't simply the engine from the Chevrolet Corvette C8.R race ...

As for the technical bits, the Cadillac V-LMDh features the naturally aspirated LMC55R 5.5L V8 for motivation. The internal combustion engine is paired with the LMDh common hybrid system ...

Its V8-powered V-LMDh racer is scheduled ... and they’re unrelated to Cadillac’s production models. Power comes from a new, naturally-aspirated 5.5-liter V8 engine that develops up to 670 ...

General Motors may be in the middle of transitioning to all-electric powertrains, but that doesn’t mean The General is done with internal combustion. Quite the contrary – in fact, GM’s ICE ...

McLaren pulled the covers off a full-scale prototype of the LMDh car set to return the marque to the World Endurance ...

Cadillac's LMC55.R V-8, however, has something unique compared to other LMDhs. V8 engines aren't uncommon in the LMDh series, but Cadillac took a unique approach to the design of their 5.5L V8.