How the Detroit Diesel 2-stroke engine got its 'Screaming Jimmy' nickname

Detroit Diesel has produced many classic engines, but the "Screaming Jimmy" two-stroke is likely the one with the most ...
Jalopnik

GM Wants To Bring Back The Two-Stroke Engine

Unless you're really into dirt bikes, you probably haven't touched a two-stroke engine in decades — if you ever have. These mechanically simple motors combine the four strokes we all know and love ...
GM Authority

Patent Filing Shows GM May Be Working On Two-Stroke Engine

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...
New Atlas

One small change solves the two-stroke engine's biggest problems

Traditional Two-Stroke Engine Issues A traditional two-stroke engine has the piston pushing down after firing, moving past an exhaust port and allowing the exhaust gases to leave the chamber.