Detroit Diesel has produced many classic engines, but the "Screaming Jimmy" two-stroke is likely the one with the most interesting nickname. Here's the story.

The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight packages. Unfortunately, gas two-strokes also burn oil by design, making them ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke ...

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 ...

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.

Tijo is an engineer, mechanic, and an avid content creator with over 5 years of experience as an automotive journalist. His media and publishing journey began with CarHP and CarIndigo, and soon ...

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 ...

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...