--- In [email protected], Andrew J Instone-Cowie <and...@...> wrote: > > Michael Askin wrote: > > Still trying to get to grips with the run-off from the injector - is > > this fuel that has leaked between the needle valve and the tube it > > sits in? If so why do relatively recent engines seem to leak quite a > > bit of fuel back, surely modern manufacturing can produce a good seal > > while allowing movement? > > Does the diesel also lubricate the injector? > > Andrew >
Yes, and cool the nozzle & needle. Tony Brooks
