When I stripped this engine, one of the first things that struck me was just how grimy it was. I hadn’t seen an engine that caked-up with oil for a very long time and, as I mentioned at the time, the poor motor had obviously gone for many years – if not decades – without an oil change.
As a result, everything in the engine needed to be thoroughly cleaned and, over the recent episodes in this series, you’ve seen a much smarter unit being put back together. One component, located right at the top of