A few years ago I had an 81 Imperial (with 90K miles) that ran like crap.
I couldn't set the timing because the timing marks kept bouncing around. I
changed the timing chain and that cured the problem. It purred like a kitten,
and then a tree fell on it.
It
probably is the original one, however if the car is running well, there isn't
really a need to change it right now. The only time it becomes a serious
problem is if the engine has a "run-on" condition after the ignition is turned
off. Under this circumstance, the engine can jerk front wards and back wards,
further damaging the timing set, or taking up the slack in the chain and
possibly causing it to skip time. This usually only happens to the cars with
nylon coated timing chain teeth, making a new timing set necessary to get the
car running again. In this case, I personally wouldn't do anything about this
unless it was also time to overhaul the complete engine. You can set the
ignition timing by "road timing it", rather than using the timing light, which
is usually with I do to compensate for t oday's fuels
anyway.
Paul W.
-----Original
Message-----
From: Rob van der Es <
R.vdes@xxxxxxxxxxxxxxx>
To:
mailing-list@xxxxxxxxxxxxxxxx Sent:
Fri, 25 Jan 2008 1:30 am
Subject: Re: IML: Harmonic
Balancer
Hi Paul,
Checked it
today, and yes there is quite a delay between turning the engine by hand and
seeing the rotor turning...
I guess the timing chain has really
streched over the years. Lord knows how long it has been on the car, maybe
still the first one??
Thanks for your helpful
contribution (as
always!)
Robert
----- Original
Message ----- From: "PAUL WENTINK" <
randalpark@xxxxxxx>
To:
<
mailing-list@xxxxxxxxxxxxxxxx>
Sent:
Friday, January 25, 2008 1:36 AM
Subject: Re: IML: Harmonic
Balancer
I have only had one of these actually
fail on a 413, and it made a lot
of noise since it was rubbing
against the timing chain cover part of
the time. I doubt that
it is causing this problem. You may want to
check your timing
chain by removing the distributor cap and watching
the rotor as
you move the engine by hand. See if there is a long
delay
between the movement of the crank shaft and the rotor. If
not, you're
in good shape. The timing gears were metal in the
1960 model, and not
as prone to failure as those used in the
440. Old worn timing chains do
stretch, so it should be
checked.
Paul
W.
-----Original
Message-----
From: Rob van der Es <
r.vdes@xxxxxxxxxxxxxxx>
To:
mailing-list@xxxxxxxxxxxxxxxx Sent:
Thu, 24 Jan 2008 6:07 am
Subject: Re: IML: Harmonic
Balancer
Hi
Paul,
Ok, back to square one:)
I
want to pull the harmonic balancer for two
reasons:
a) The timingmarks are changing all
the time on the old one, that means
that the rubber has
detoriated over the years and that the outer
ring
slips...
b) I want to replace the
timingchain, I don't know how long the old one
is in use (cause
I don't know the maintainace history of the car), but
I can
hear that it is making noise (checked it with a
stethoscope)
Thanks,
Robert
-----
Original Message ----- From: "PAUL WENTINK" <
randalpark@xxxxxxx>
To:
<
mailing-list@xxxxxxxxxxxxxxxx>
Sent:
Thursday, January 24, 2008 2:06 PM
Subject: Re: IML: Harmonic
Balancer
Let's go back to square one. Why do
you want to remove this?
Paul
W.
-----Original Message----- From: Rob van der
Es <
r.vdes@xxxxxxxxxxxxxxx>
To:
mailing-list@xxxxxxxxxxxxxxxx Sent:
Thu, 24 Jan 2008 12:01 am
Subject: Re: IML: 59 413 engine
color
You might have a point here
Rob!
Same thing crossed my mind, but I was more thinking of
breaking the
head of the crankshaft
bolt..
Leaving the remaining piece of the bolt flush with
the
crankshaft....oughhhh!!!
Any
thoughts, anyone? How is risky is that starter motor
trick
actually??
Thanks,
Robert
-----
Original Message ----- From: "Rob Kidd" <
rlkidd@xxxxxxxxxxxxxxxx>
To:
<
mailing-list@xxxxxxxxxxxxxxxx>
Sent:
Wednesday, January 23, 2008 8:47 PM
Subject: Re: IML: 59 413
engine color
Sounds easy enough. BUT, what if
the bolt was siezed in
the crankshaft tighter than normal and
you would shear a
tooth on the starter or the ring gear since
the engine
would not normally turn over freely from a dead
stop?
Remember, 48+ year old "worn" parts you are dealing
with.
I'd try the impact route on the bolt if possible. Rob
Kidd
61/65
On Wed, 23 Jan 2008
05:35:32 -0600
"Stevan Miner" <
miner@xxxxxxxxxxx>
wrote:
>Sounds a little scary to me but if you do it this
way, I'd certainly
>disconnect the coil wire to make
absolutely no way the engine would
>accidently start with
the breaker bar in place. Stevan Miner Miner
Auto >Service
Winnebago,
MN
>--------------------------------------------------
>From:
<
mopar413@xxxxxxxxxxx> Sent: Tuesday,
January 22, 2008 6:21 PM To:
><
mailing-list@xxxxxxxxxxxxxxxx>
Cc: "Dave Wilker"
><
wilkerbeast01@xxxxxxxxxxx>
Subject: Re: IML: 59 413 engine color
>> Dave has the
right idea. Just do like he says and make
>sure the socket
is
>> on right. Workd every time. for me. ---- Dave
Wilker >>
<
wilkerbeast01@xxxxxxxxxxx>
wrote:
>>> I have a trick. I place the proper size
socket on the
>harmonic balancer
>>>
bolt, with appropriate extensions, and a good stout
>breaker
bar. I turn
>>> the crank carefully until the breaker
bar is resting on
>the left
frame
>>> rail (driver's side). Once all the tools are
firmly in
>place, I bump the
>>>
starter. Just a bump. This breaks the bolt loose so you
>can
remove it
>>> easily. Be careful when doing this. Make
sure the
>socket is all the way
>>>
on and there is no slack in the setup. David C. Wilker Jr. USAF
>>>
(RET) ----- Original Message ----- >>>
From: Rob van der Es To: >>>
mailing-list@xxxxxxxxxxxxxxxx
Sent: Tuesday, January 22, 2008 1:22 AM
>>> Subject:
Re: IML: 59 413 engine color Hi David, And, btw, do you
have a
>>> good trick to remove that
>bolt that keeps
the
>>> harmonic balancer on the crankshaft? I am in
progress of replacing
the >>> timing chain of
my
>engine, but are a
>>> little
afraid to start cause everyone told me that this bolt is
very
>>> hard to remove.. Especially with the engine in the
car,
ofcourse I
>don't want to
remove
>>> the engine for a relative "simple" job like
replacing
>the timing
chain!!
>>>
>>>
Robert
>>
>>
>>
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