don't forget the arrow on the top of the piston must point to the flywheel, and realize this means the rings will be positioned differently depending which side of the motor you intend on using a particular piston
vw54 ·
they should be equally spaced or 120 degs apart
if the oil ring is a 3 piece type then put the 2 out rings 180 degs apart
as long as there seperated at the start then they will stay that way during the life of the engine