How to Calculate Compression Ratio from Scratch As an example, let’s calculate the CR for a popular big-block Chevy application.

Because this has become so critical, knowing how to accurately determine the true compression ratio of an engine is essential. That's what this Back To Basics segment is about.

An engine's compression ratio is actually a theoretical number. This ratio compares the cylinder volume of the piston at bottom dead center (BDC) versus top dead center (TDC).

What is a compression ratio? 2. Why is it beneficial to change the compression ratio? 3. How does the engine alter the compression ratio? 4. What are the advantages of the VC-Turbo engine? 5.

With a simple diesel engine compression test, it is possible to spot compression problems before they get worse. Here’s information on these tests and how to decide if it is time to perform one.

Variable Compression Ratio Engines have been some sort of a Holy Grail, and now Porsche proposes a viable solution for this ...

When should you get an engine compression test? Diesel engine compression tests aren’t a preventive measure, but are performed if you’re having issues with your machine. If your vehicle is ...