Apparatus and method for calibrating an engine management system

The engine and management system for internal combustion engine. The engine management system comprises for calculating engine lubricating control value engine control system, relative and engine control system movable palm computer, and is a computer of computer corresponding with the palm. Engine control pushing value bracket is provided to the internal-combustion engine is made to exchange the performance of engine. On the palm, and thickness computer is not greater than adjacent 6 inches * adjacent 4 inches * approximately equal 1. On the palm the computer runs a set of engine software management, tool is made of engine management data to exchange the engine control system. The computer and is made of engine software management tool engine and management fuse download on the computer to the palm, and computer from the palm uploads the engine management book.