Combustion Engine Types Published on February 20, 2018 in The Grand Tour of Japanese Automotive – SubaruFull resolution (743 × 661) Combustion Engine Types Overview of engine types for combustion engine, including flat engine, v engine, and straight engine. A W engine and a rotary engine is not shown. This work by Christoph Roser at AllAboutLean.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.By Christoph Roser at AllAboutLean.com under the free CC-BY-SA 4.0 license.