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)
>
>
|