Cadillac LMC55R engine


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, Williams Advanced Engineering, and an Xtrac P1359 gearbox.

Applications