Posts Tagged “dynamic compression ratio”

When building or modifying an engine for all-out racing, street/strip performance, trailer towing, or most any application, there are many variables to consider. One critical variable is the Compression Ratio or CR. Compression ratio is the amount of “squeeze” the piston puts on the air fuel ratio before it lights  the fire.  And, more importantly, it is the amount of expansion or “push” these hot, high pressure, combusted gases put on the piston.  The more amount of expansion, the more amount of heat and pressure energy can be extracted from each combustion event. Read the rest of this entry »

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