Quote:
Originally posted by jcyuhn
Ever notice how owners of overly-large-redneck-diesel-pickumpup-trucks always leave their engines running while fueling?
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Hey, be nice to my overly-large-redneck-diesel-pickumup-trucks.
There's a reason for them leaving their engines running, though. Turbo'ed engines, especially after being run hard, need to be given a few minutes to let the turbo cool off and the EGT's go down some before being shut down. Otherwise, the oil that lubes the shaft on the turbo will eventually burn onto the shaft, and early turbo failure could eventually result. People sometimes figure that they may as well not shut down when refueling.
There's also an old belief that if you leave a diesel idling for an extended period of time, you're actually consuming less in fuel than you would be in replacing starters, batteries, etc. That's from semi truck drivers...and has been in debate the last few years.
I let my 6.9l's idle for a minute or so after running 'em, even though they're naturally aspirated...
I'll be happy to wave...as soon as I get a Benz... *counting down*
