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I remember back in the 80's when turbo's became popular especially by Chrysler, that you had to let the vehicle idle for up to a minute before shutting off to allow the turbo to spool down and cool off, is this still the case with the newer turbo's? Thanks.
As long as you drive calmly for the last minute or two, you should be fine. Many modern systems continue to circulate coolant through the turbo for a few minutes after cooldown. Don't drive like Petter Solberg and then shut it down immediately, and you should have no problems.
Many modern systems continue to circulate coolant through the turbo for a few minutes after cooldown.
Well, unless that car has an electric water pump, odds are it's just the laws of thermodynamics at play instead. More likely, what you're hearing is the radiator fan that continues to run after shut down.
As long as you drive calmly for the last minute or two, you should be fine. Many modern systems continue to circulate coolant through the turbo for a few minutes after cooldown. Don't drive like Petter Solberg and then shut it down immediately, and you should have no problems.
Think about this. Under what conditions it someone under heavy boost and comes to a screeching halt and shut down? Never. Its next to impossible. Also, most turbos are not coolant cooled but oil cooled.
Think about this. Under what conditions it someone under heavy boost and comes to a screeching halt and shut down? Never. Its next to impossible. Also, most turbos are not coolant cooled but oil cooled.
Track
Plenty of people has blown their turbo there, or doing similar driving on a public road and then shut the engine off without a cool down.
That was a far bigger issue before however, but it doesn't hurt to cruise for a couple of minutes after a hard pull.
For my money, I'll let the car sit for minute before shutdown regardless of what I was doing beforehand, unless I was idling or basically coasting. When I had a turbo car, I had a turbo timer installed, so it would run for a minute after I took the key out.
Turbos are just too expensive to gamble over a minute of my time.
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