The Cadillac LMC55R engine is a naturally aspirated, four-stroke, 5.5-liter, V8 racing engine, made by GM Racing and Performance Center team for use in their Cadillac V-Series.R LMDh race car, since 2023.
Design Cadillac developed the bespoke cross-plane engine for their 2023 Cadillac V-Series.R and is the first naturally aspirated engine of the LMDh manufacturers. In accordance with the LMDh rules, the LMC55R internal combustion engine is connected to the standardized hybrid drivetrain components provided by Bosch (motor generator unit), Williams Advanced Engineering (battery pack), and an Xtrac P1359 gearbox.
Applications
Cadillac V-Series.R
References