EngineCR engine compression ratio calculator Platforms: Windows 95/98/Me     Size: 4.03 M     Cost: $15 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions EngineCR: EngineCR is a internal combustion engine compression ratio calculator. Automotive machine shops and engine builders can benefit from the use of EngineCR. EngineCR accurately calculates the static compression ratio of an engine. Calculations are based on the engine's bore, stroke, cylinder head chamber volume, piston design, deck clearance, and head gasket properties.