Re: [FWDLK] Harmonic Balancer Question

[David Homstad <dhomstad@xxxxxxxxxxx>]

Another thing about harmonic balancers, if the rubber has gone hard, its
effectiveness is greatly diminished. The rubber absorbs vibrations in the
crank by flexing between the inner and outer rings. If it is hard, it
doesn't flex.

My opinion is that if it ain't broke don't fix it. But that rubber is 50
years old and has been subjected to engine compartment heat all that time.
And if you are going to have it off anyway, that would be a good time to
rebuild it.

Dave Homstad
56 Dodge D500

-----Original Message-----
From: Forward Look Mopar Discussion List
[mailto:L-FORWARDLOOK@xxxxxxxxxxxxx]On Behalf Of Dave Casey
Sent: Tuesday, May 30, 2006 8:06 PM
To: L-FORWARDLOOK@xxxxxxxxxxxxx
Subject: Re: [FWDLK] Harmonic Balancer Question

There are a couple things. First, if the timing marks no longer line up when
the motor is at TDC, the outer ring has slipped and the damper needs to be
rebuilt. Also, if the rubber isolator is deteriorated, hanging out, etc,
you'd do well to have it replaced.
If you plan to red line the engine a lot, you should probably have any old
balancer replaced or refurbished.

Dave Casey

----- Original Message -----
From: "Ron Waters" <ronbo97@xxxxxxxxxxx>
To: <L-FORWARDLOOK@xxxxxxxxxxxxx>
Sent: Tuesday, May 30, 2006 8:04 PM
Subject: [FWDLK] Harmonic Balancer Question


> Hi Everyone -
>
> How can you tell if a harmonic balancer needs rebuilding ? Hypothetically
> speaking , if I have an engine that seems to run well despite being many
> decades old, and I remove the harmonic balancer in order to replace the
> timing chain and gears, can I tell from a *visual inspection* if it needs
> rebuilding ?
>
> BTW, yes, I plan to have it rebuilt by a competent shop, such as Damper
> Dudes.
>
> Ron
>
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