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Little need to idle your turbo
Posted by Ross (more from Ross) on Thu, 15 Feb 2001 17:47:09
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Someone had made a point to me a few months before here that you really needed to always idle your turbo because when you shut your engine off, it will still be spinning, presumably at fast xxxrpm's, no oil pressure, bad for the bearings, coking possible etc.
That didn't seem right to me, but I didn't know for sure.
Last night however, I pulled out Corky Bell's "Maximum Boost" and he points out that a turbo will stop spinning before the engine itself has stopped turning. You turn off the ignition- no spark, no heat and exhaust to drive the turbo.
Of course, an oil cooled only turbo can certainly use a little idle time if you've been running it hard. A water cooled, pretty much nothing.
Just thought I'd pass that along ;) Oh, and at idle, your turbo is spinning about the speed of a ceiling fan.
Ross
Posts in this Thread:
- Little need to idle your turbo, Ross, Thu, 15 Feb 2001 17:47:09 <-- Viewing This Message
- Depends, Ari
, Fri, 16 Feb 2001 09:22:45 - Probably more to this than you know., JohnB, Fri, 16 Feb 2001 08:30:48
- Re: Little need to idle your turbo, JCB, Thu, 15 Feb 2001 21:48:19
- thats great but im letting it idle!, SUDSAAB, Thu, 15 Feb 2001 20:36:01
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