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Engine Block Math Piston

Alter either connecting rod length or crankshaft stroke and you'll find your piston no longer hits TDC; it will either fall too short, as is the case when using a shorter rod and/or smaller stroke, or it will protrude the deck surface, as is the case when using a longer rod and/or larger stroke.
Engine Block Math - Garage

Alter either connecting rod length or crankshaft stroke and you'll find your piston no longer hits TDC; it will either fall too short, as is the case when using a shorter rod and/or smaller stroke, or it will protrude the deck surface, as is the case when using a longer rod and/or larger stroke.  View Related Article