Quote:
Originally Posted by Piwoslaw
If you are hypermiling, then your turbo probably didn't get too hot to begin with.
If you're constantly flooring it trying to gut the engine, then your turbo will be glowing red, but then you probably don't care about saving fuel anyhow.
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Like I said... if you're driving gently, it's probably not such a big deal... but VGTs are very sensitive... much more so than regular turbos. If there's an auxiliary pump that keeps the coolant and oil circulating even with the engine off, no problem. I've driven a lot of new turbocharged cars where there's a ridiculous amount of whine and thrum coming from under the hood even after the ignition is turned off, so I suppose they already do something like this for many cars with VGTs.