[AT] Synthetic Oil

[Mike M]

I guy I know that has an excavating company always lets his diesels idle 
for 15-20 minutes before shutting them down after a day of running. I'm 
wondering if it's meant to cool and keep lubrication going to the turbo.

Mike M


On 11/14/2016 7:10 PM, Henry Miller wrote:
> The turbo vw uses on their small diesels has very little mass. It spins
> down fairly quick, in general it doesn't do much in the parking lot and
> so it mostly stopped and doesn't need oil on shutdown. Now if you pull
> off the hiway and turn the engine off as soon as you come to a stop (or
> before) there is a problem, but most people don't drive that way. Big
> engines with big turbos often need more spin down time, as do people who
> upgrade their turbo. From the factory people report few problems with
> their turbo that can be traced to shutdown.
>
> Not that there is never a problem, turbos spin at 100000 rpm at high
> temperatures. This is hard on any oil.
>


---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus