I need help with Math for a piston engine (British) Search for: Advanced Search Place Classified Edit Classified Browse Classified Search Classified I need help with Math for a piston engine (British) Contact Information Contact Howard Fitzcxharles III Phone: 615 459-6615 Price: $ 0.00 More Information I need help with a math problem involving Geometry and Trigonometry. I am searching for a formula for a math problem in the geometry of a piston engine. Any help would be appreciated. This Ad has been viewed 15 times.