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Re: Strange Engine Noise

To: Jjcousins@ra.rockwell.com, spitfires@autox.team.net
Subject: Re: Strange Engine Noise
From: "ralph.jannelli" <ralph.jannelli@cwix.com>
Date: Thu, 08 Apr 1999 12:37:46 -0400
Have you lubricated your distributor lately ?

----- Original Message -----
From: <Jjcousins@ra.rockwell.com>
To: <spitfires@autox.team.net>
Sent: Thursday, April 08, 1999 10:52 AM
Subject: Strange Engine Noise


>
> Can anyone offer any ideas on this, please?
>
> Background: I have rebuilt my 1977 Spitfire in the last 3 years.  I didn't
do
> ANYTHING to the engine as it ran well when the car was in shambles, so I
just
> went with it.  I drove it all last year for ~1000 miles.
>
> First Clue of problem:  All last year (and now) when car was warm, i.e.
been on
> highway or 45mph for a while, when shutting engine off and engine was
cycling
> slowly to off, it sounded like, for the last few turns of the engine, a
really
> RRR. RRR, RRR sound with each turn of the engine.  Sort of sounded like
your
> teeth grinding, but more metallic of course.  I put up with it and it
still does
> it.
>
> LATE last year, and now.  When cold, at certain LOW RPMs (like 1000-1500)
a
> rattle sound almost EXACTLY the same noise as the above described noise
happens.
> It will go away when RPMs are increased.  But comes back at the same range
of
> low RPMs.  The noise, also would cycle - last for 1/2 second, then off for
maybe
> 3 seconds - then repeat.  (Was not directly related to engine turns).
When car
> gets warm, this seems to go away (that is, after driving down a long
street, and
> then stopping, it didn't seem to do it anymore). Then, when the car shuts
down,
> I get the noise on the shutdown like above.
>
> It really sounds like metal not having lubrication somewhere and sounds
like its
> coming directly from the engine.  Could there be some lubricant needed
somewhere
> - not just oil in the engine?  I just changed the oil before my first
drive a
> couple of days ago.  It didn't have any effect.  How about the mating
between
> two surfaces somewhere?  Flywheel?  I don't know anything much about
inside the
> engine/tranny (obviously).
>
> I have NO clutch or shifting problems at all.  I know the car is running
too
> rich and need to fix this ( I think - judging by the smell of the car).
Did I
> damage something by running too rich all last year?
>
> HELP??
>
> John (1977 Spit)
>
>


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