<VV> Response to Harmonic lab sheets from GM on Dale MFG. website
Ken Pepke
kenpepke at juno.com
Tue Jun 14 12:03:51 EDT 2011
It would be best to direct technical questions to Dale Manufacturing as this is not a do it yourself in the garage rebuild. They have, or at least had, rebuilt harmonic dampeners for Corvairs and do know the proper materials which to use.
I should point out that reaching or exceeding the critical torsional point does not automatically break a crankshaft. But it does create microscopic cracks that MAY, over time, lead to a catastrophic failure. If one knows, or suspects, the crankshaft had been operated with the inertia wheel pulley it is the prudent thing to have said crank 'magnifluxed' before assembly. Not a bad idea to have them all done.
Ken P
Wyandotte, MI
Worry looks around; Sorry looks back, Faith looks up.
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> From: Paul Fox <paulvair at yahoo.com>
> Date: June 14, 2011 9:37:22 AM EDT
> To: Vair Views <virtualvairs at corvair.org>, Ken Pepke <kenpepke at juno.com>
> Subject: Re: <VV> Response to Harmonic lab sheets from GM on Dale MFG. website
>
>
> So what type of rubber and or hardness is used to rebuild a damper can make a big difference? What about fluid type of dampers?
> Paul Fox (so far no broken cranks)
>
>
>
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> --- On Tue, 6/14/11, Ken Pepke <kenpepke at juno.com> wrote:
>
> From: Ken Pepke <kenpepke at juno.com>
> Subject: <VV> Response to Harmonic lab sheets from GM on Dale MFG. website
> To: "Vair Views" <virtualvairs at corvair.org>
> Date: Tuesday, June 14, 2011, 7:40 AM
>
>
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