[A4] Turbo cool down time? (was Re: Noob ?s about A4 2.8)

Roger Mecking mp3 at bellatlantic.net
Fri Dec 24 21:43:34 EST 2004

Hi Tom,
all of the above is your answer...  In stock form, the 1.8T's don't need 
added cool down time, primarily because unlike your 1980's Dodge, the 
Audi used synthetic oil, which isn't prone to coking.  You can easily 
wire up a turbo timer for about $75 to add insurance in case you chip 
the engine or do any turbo upgrades.  There's lots more info about these 
subjects on Audiworld.com  Here's a nice FAQ to get you started.. 

P.S. I'm alone for Xmas so I'm feeling helpful. :)

Tom Reynolds wrote:

>Thanks to Brizax, Roger, Brian, and Nick (so far) for the helpful advice
>and constructive criticism, I appreciate all the feedback.  All of you
>recommended the 1.8 turbo over the 2.8, I believe, and I probably should
>have given this as a caveat, but I really don't want a turbo.  Unless...
>See, I had a new '85 Dodge Lancer ES 2.2 turbo 5 speed and no one told me,
>and I wasn't smart enough at the time (no internet, you know) to know that
>you have to let a turbo engine cool down after a "spirited" run - you just
>shouldn't shut it off, as it leads to coking and eventual failure, which
>the car experienced.  So, I really don't want to buy a used turbo unless:
>1)  The modern (in this case the Audi 1.8 turbo) turbos don't _need_ to be
>run for a few minutes to "cool down."
>2)  The car has had an aftermarket turbo timer (such as HKS) installed and
>used by the previous owner(s).
>So, what's the list's take on the proper method of turning off a 1.8turbo
>that's been driven, shall we say, enthusiastically?
>Thanks all,
>Best regards,
>Tom Reynolds
>Sand Springs, OK
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