But not in all cases... We need to go to them because those who are good charge so high and are proud....
Consider my cultus devloped knocking after oil was lost completely due to seal leak. Some suggested complete engine overhaul and some said 8-10k charges as engine will have to be taken down and bla bla bla...
The job was done in 2200 only by opening oil sump and replacing half set of bigend (pieces in local term) by local mechanic 