<VV> Houston - we have a problem!!! Corvair related

[Lonny Clark]

Depends on the year, my Spyder is a '63. No harmonic balancer that year,
just a plain old pulley.

Lonny

On 12/13/06, Roger Gault <r.gault at sbcglobal.net> wrote:
>
> Roger,
> As others have said, you're probably OK, just drive it and see.
>
> One possible reason for throwing belts is a failing harmonic
> balancer.  The
> Corvair "crank pulley" is a two-piece assembly with a ring of rubber
> bonding
> the hub to the pulley ring.  The rubber's there to damp torsional
> vibration
> in the crankshaft.  Eventually, the rubber dies and the ring starts to
> slip
> on the hub.  If the ring starts to walk toward the rear of the car, it
> misalligns the belt as it enters the pully and causes it to come off (or
> it
> cuts a hole in the oil filter and sprays all your oil out in a very short
> time).
> If you look down in the dark hole where this assembly lives, check to see
> if
> the rear edge of the pully is lined up with the rear edge of the
> hub.  There
> may be an 1/8" wide rubber ring sticking out a little bit between them -
> or,
> it may be pretty much worn/chipped away, but the metal parts should line
> up.
> While you're there, check for a sort of chisel mark across the rubber
> ring.
> It's there to show that the two parts have not slipped.
>
> Roger Gault
> Austin, TX
> the other Roger on the list ;-)
>
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