How to create pin in a slot in Motion with joint?

Pressure in the piston chamber with different slot geometries at the beginning of the discharge phase Focusing on the three groups of

I m building a 301 Chrysler poly engine and the replacement pistons have a slot from the oil rings down to the skirt on one side only

slot zeus88 In this video you can see that the piston has a slider joint AND a revolute joint This revolute joint is necesseray because of the relative

amber slot However, the piston also rotates within a ceramic liner, alternately aligning a cut-out slot on the piston with the inlet and outlet ports of the pump This