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From: mff@wuphys.UUCP (Swamp Thing)
Newsgroups: net.auto
Subject: Re: The longevity of turbos (again)
Message-ID: <364@wuphys.UUCP>
Date: Mon, 2-Sep-85 12:22:27 EDT
Article-I.D.: wuphys.364
Posted: Mon Sep  2 12:22:27 1985
Date-Received: Tue, 3-Sep-85 01:43:42 EDT
References: <4700007@labjss.UUCP> <1275@poseidon.UUCP>
Reply-To: mff@wuphys.UUCP (Swamp Thing)
Organization: Physics Dept., Washington Univ. in St. Louis
Lines: 34

In article <1275@poseidon.UUCP> josie@poseidon.UUCP (Jack Gross) writes:
>	If you are interested in the longevity of a turbo, dont ask
>about Volvos. First of all who says that Volvos represent the state of
>the art in automobile technology ? And even if they do you should not
>base your opinions about a device on one manufacturers product.
>
>Mercedes turbo-diesels don't seem to have any problems while
>GM can't even build a plain jane diesel that will last very long.
>
>	I don't feel that a turbo is for just anyone. It does need 
>more TLC then a conventionally aspirated engine, but don't knock
>all of them for the failings of some of them !
>

Comparing gasoline-engine turbos to diesel-engine turbos just isn't fair.
Diesel engines run much much cooler.  At least on big trucks, if they're just
idling, the exhaust manifold gets warm, but is still cool enough to touch with
your hand.  Try that on a gas-burner!  They get hotter when they're pushed, of
course, but still are alot cooler.  Thus, any turbine running off the exhaust
gasses is also going to be cooler.


						Mark F. Flynn
						Department of Physics
						Washington University
						St. Louis, MO  63130
						ihnp4!wuphys!mff

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