Даже по твоей "картиночки" Осевая линия кулачка
имеет разницу в 10 ГРАДУСОВ
CENTERLINES
The intake centerline is the point of highest lift on the intake lobe. It is expressed in crankshaft degrees after top dead center (ATDC). Likewise the exhaust centerline is the point of highest lift on the exhaust lobe. It is expressed in crankshaft degrees before top dead center (BTDC). The cam centerline is the point halfway between the intake and exhaust centerlines
http://www.lunatipower.com/Tech/Cams/CamSpecTerms.aspx
Пример
