A modern internal combustion engine bears little resemblance to the port-injected naturally-aspirated V8 of thirty years ago. We walk what direct injection, variable valve timing, turbocharging, and the Miller and Atkinson cycles actually do, how knock detection lets a small turbo four make V6 power on regular gas, and the honest thermal-efficiency ceiling that decides where ICE goes from here.
Mechanical
-
How a Modern ICE Engine Really Works