AMAZING 70% Scale 3D Printed 4-Cylinder Engine Assembly

[@wladimirkarpenko6320]

What springs did you use for valves?

[@adinglavic8418]

This would be right around 1540ccm...a great size to test out modifications to the model😁

[@adinglavic8418]

Correction...1680ccm 😅

[@GhostRider7Seven]

totoya!