E
EMB
Guest
Austin Shackles wrote:
> depends on the relative prices. If they're reasonable money new, I'd be
> inclined just to change 'em. ISTR that the main problem with any injectors
> is nozzles, though. I assume the springs can get weak inside and/or any
> valves get iffy and not seal properly. I'd always assumed that servicing
> involved replace the internals if worn, and put a new nozzle on/in...
New nozzles, and suitable shimming of the internals to get the burst
pressure to spec is generally how it's done.
> Although no doubt some places just clean it up and make it look new...
Locally at least, there a few rogue places that just regrind the nozzles
and set the burst pressure up again - the results are can initially be
ok, but the lifespan is somewhat short.
--
EMB
> depends on the relative prices. If they're reasonable money new, I'd be
> inclined just to change 'em. ISTR that the main problem with any injectors
> is nozzles, though. I assume the springs can get weak inside and/or any
> valves get iffy and not seal properly. I'd always assumed that servicing
> involved replace the internals if worn, and put a new nozzle on/in...
New nozzles, and suitable shimming of the internals to get the burst
pressure to spec is generally how it's done.
> Although no doubt some places just clean it up and make it look new...
Locally at least, there a few rogue places that just regrind the nozzles
and set the burst pressure up again - the results are can initially be
ok, but the lifespan is somewhat short.
--
EMB
