180° DEGREE WHEEL · .050-INCH METHOD

Cam Timing Calculator

Enter raw opening and closing readings. Duration and lobe center update instantly.

180° WHEEL REQUIREDThis calculator is accurate only when entering raw readings from a 180° degree wheel.

INTAKE CAM

Find intake lobe center

.050″

Opening

°

Closing

°

LOBE CENTER

Enter both readings to calculate

(Duration ÷ 2) − Opening

EXHAUST CAM

Find exhaust lobe center

.050″

Opening

°

Closing

°

LOBE CENTER

Enter both readings to calculate

(Duration ÷ 2) − Closing