Use the mean area calculations to determine if your port widths and shapes are appropriate for your target RPM and horsepower goals.
Measure your current port heights (exhaust and transfer) in degrees (using a degree wheel) or distance from the deck.
: You can assign fixed relationships between transfers and exhaust ports, enabling the software to calculate all transfer port heights automatically once an exhaust timing is entered. Interactive Input Porting Calculator V4.2.2
Do you need help understanding the Jennings/Blair calculations?
To get accurate outputs, you must provide precise inputs. Use a digital micrometer and a dial indicator to gather your baseline data. Step 1: Input Baseline Engine Geometry Enter the foundational metrics of your engine block: The total vertical travel of the piston. Bore: The diameter of the cylinder bore. Use the mean area calculations to determine if
: By entering just the exhaust timing, the software can automatically calculate all transfer port heights based on fixed relationships.
Manual porting without mathematical targets leads to uneven airflow between cylinders. Using the calculator guarantees identical geometric targets for every runner. Technical Specifications Summary Supported Parameters / Range Engine Types Interactive Input Do you need help understanding the
The Calculator V4.2.2 application was successfully ported to the new platform. The porting process involved code modifications, UI/UX redesign, and performance optimization. The application passed thorough testing and is now ready for deployment on the new platform. Regular code reviews, continuous testing, and platform monitoring are recommended to ensure the application's continued compatibility and performance.