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-snip " Would you knowingly cut off the lube oil to the
bearings of a very hot object spinning at 20kRPM? "
I used to have a Volvo 760 Turbo that would turn over as high as 30,000 RPM.
(Man, would that car move out.) The owner's manual "suggested" that the
engine be allowed to idle for a minute after start-up, and another minute or
more prior to shutting down. Strange how long that minute can seem. So, of
course, I rarely followed the "suggestion".
Consequence: $2,500 for a new turbocharger after 4 years of use.
I often travel by turbo-charged helicopter and seaplanes. The pilots ALWAYS
take that minute before and after, and I must be one of the few passengers
who learned why the hard way.
Cheers, Garrett
