(Basic) Engine Compression Diagnostics
by John Gelsimino Jr.
A brief comparison of dry compression, wet compression, and leak-down tests.
by Mark Warren
How to use a current clamp and oscilloscope combination to check cranking compression and the starter motor.
Lab Scopes and Pressure Transducer Diagnostics
by Bejamin Komnick
This is an analysis of an engine, performed with a cylinder pressure transducer connected to an oscilloscope, which provides lots of detail on compression, and the operation of the accumulator.