What is a MAP sensor and how can you tell if it's bad?

The MAP sensor is an important part of a car's operating system. But lots of things can make it go bad. Here's how you'll ...
Hot Rod

Back To Basics: Compression And Cylinder Leakage Test

A remote starter switch and a top-quality, screw-in-type compression gaugeâ such as these models from Sears, Roebuck & Companyâ can be used to measure the pumping efficiency of an engine, as well as ...
Hot Rod

Shop Series-The Internal Combustion Engine: How It Works And Where It’s Going

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...
New Atlas

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

This means that the high torque efficiency of the two-stroke engine is kept, while the cleanliness and longevity of the four-stroke engine is gained. A win-win scenario. What’s more, the exhaust ...