1997 All Other Makes All Other Models Repair Question
1997 Questions for all other cars
HOW TO DO (PROCEDURE) ENGINE TOP OVERHAUL AND MAJOR OVERHAUL AND THEIR DIFFERENCE
The top over haul is basically doing the cylinder head or heads, a major over haul is a full engine re build, this is far to complex to be writing here, and as you have not mentioned any car or engine there is no way i can give you any information at all.
26,913 answers provided