Porting Calculator V4.2.2 =link= Instant

: Calculates the true flat width versus the curved cylinder wall width to prevent ring snagging.

Are you building this engine for ?

: Use the "Clear Mods" button to reset all porting changes back to stock values before starting a new calculation. Porting Calculator V4.2.2

Optimizing a two-stroke engine requires absolute precision. For years, engine builders and powersports enthusiasts have relied on specialized software to calculate time-area, port heights, and duration.

The tool includes an adjustable graph (typically ranging from 1k to 18k RPM) and a separate CAD window for port design, where users can drag cursors to modify port shapes. : Calculates the true flat width versus the

: A separate CAD window allows you to drag cursors to design custom shapes, including rounded rectangles, egg, and D-shaped exhaust ports.

What needs improvement

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: Includes a "raise barrel" control to simulate the effect of cylinder shims or base gaskets on timing, with adjustments down to 0.01mm increments. Optimizing a two-stroke engine requires absolute precision