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TURBO Engine Reliability - Long-Term
Turbo engine (1.8T).
I've read on web pages that you should always idle
a turbo engine for at least 15 seconds before
shutting off to allow the turbo to cool and not
char your oil, and always use synthetics if
possible. As an engineer, I can understand why and
this makes sense.
However, multiple pages, and people, also state
that if you drive a turbo hard you should extend
the cool-down idle for 2-3 minutes!! There's no
point in driving fast if you have to idle for that
long when you get to your destination. That
presents a big driveability issue and brings up the
"do I just plunk down more money for the V6
Is the use of synthetic motor oils enough to allow
just a 15sec cool-down, or even 30sec after hard
driving, or do you still need to allow 2-3 minutes.
I'd love to hear from the experts, or someone that
has a high-mileage hard driven turbo. Thanks!