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Re: Dumb, but important question

To: "U. Goettsch" <ulix@u.washington.edu>
Subject: Re: Dumb, but important question
From: Len Bugel <bugel@miranda.fnal.gov>
Date: Wed, 22 Nov 1995 10:47:34 +36000

On Wed, 22 Nov 1995, U. Goettsch wrote:

> On Mon, 20 Nov 1995, Denise Thorpe wrote:
> 
> > Frank Sperling III asked:
> > 
> > > My 79 B has begun deiseling for 5-10 seconds after I turn it off.  To 
> > > Here's the dumb question...what do I adjust to stop this?  The timing 
> > > (advance, retard it?)
> 
> > then the dieseling can be slowed down by retarding the timing and/or 
> > leaning out the mixture.
> 
> Think about this:
> When you adjust the timing, all you change is WHEN the plugs fire.
> Dieseling happens after you turn the ignition off! 
> NO MORE SPARKING!

Yes, but you also may effect how HOT the engine runs; this is why 
adjusting the timing may help eliminate dieseling. The hot spots - carbon 
or otherwise - will be hotter if the engine has been running hotter.

        -len ('50 TD)

> The fuel mixture is ignited by hot components in the combustion chamber, 
> such as carbon deposits. This is why newly rebuilt engines normally don't 
> dieselcan (unless they're diesels...:-).
> Ulix 
>                      __/__,__         ________/____,,_______
> ................... (_o____o_) ..... (___ O _________ O ___/ .............. 
>                       sprite                 caddy 
> 

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