Quote Originally Posted by reym View Post
Top overhaul consists of changing piston rings, refacing or replacing valves, valve guides, replacing cylinder head gasket.

Piston rings will not have to be replaced if the oil consumption or compression problem is diagnosed from cylinder head parts such as valves or valve springs.

There is something called a general overhaul where in every part of the engine is taken out, inspected and or replaced.

top overhaul sabi sir... ano maging result after na matop over haul yung tsikot ko sir? my pagbabago ba sa perfomance and FC?