yes drizling water in the carb will help clean out the carbo build up but
you dont wanna do it on idle as the engine will most likely stall, bring it
up above idle with one hand while drizling water in.
----- Original Message -----
From: "Mike Pittinaro" <mechimike@xxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Tuesday, July 30, 2002 2:18 PM
Subject: Re: IML: 440 keeps running even after its turned off?
> > when i turn my 440 off, especially after a 15 mile
> > plus trip, it keeps
> > running after its turned off, i cant remember what
>
> This phenomenon is known as dieseling, named after
> diesel engines which tend to do the same thing.
> Basically, when you turn the engine off, you are
> killing the electrical system, but the fuel system (at
> least on these older cars) will keep going as long as
> the engine is spinning. And, if there is something to
> keep igniting the gasoline other than the spark plug,
> the engine can keep turning for awhile.
>
> Things that can keep igniting the gasoline include a
> piece of head geasket sticking into the chamber,
> carbon deposits, or a generally hot running engine in
> which "hot spots" in the combustion chamber keep
> igniting the fuel.
>
> Try an "Italian Tune-up" first...take the car out (a
> tach helps with this) and run it up to about 80 or 90
> mph in second gear. do this a few times, you should
> see large black clouds of "crud" come out the
> tailpipe...of course, at 80 or 90 mph, you ought to be
> looking ahead, watching for police!
>
> Try some carb cleaner next, and make sure the carb is
> in proper tune, ie not too rich nor lean. Also make
> sure the timing is set properly. If the plugs are all
> carboned up or otherwise fouled, replace them with a
> new set of autolite 85's.
>
> I've heard drizzling water into the carburetor at idle
> will help break up carbon deposits, too, but I've no
> experience with this. Comments from the list?
>
>
> =====
> --Mike Pittinaro
>
> Piles of pitted chrome
> Hubcaps along the floorboard
> My junkyard-bedroom
>
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