<VV> Harmonic balancers
Mark Corbin
airvair at earthlink.net
Wed May 21 12:25:18 EDT 2008
Let's put the discussion this way: No engine will be harmed if it has a
harmonic balancer. When in doubt, go with "safe."
-Mark
> [Original Message]
> Subject: <VV> Harmonic balancers
>
> I do not have any drawings of the tin pulley or the solid pulley.
> Part 3850971 is a harmonic balancer with spec. must take 150 ft.lbs.
> torque.
> 3851262 balancer must take 225 ft.lbs. torque and has a "C" stamped on
> it.
> According to the 1970 parts book I have, the balancer is only used on
> 140HP or turbo engines.
> It doesn't specify manual trans or Powerglide. I think the balancer was
> designed to keep the
> crankshafts from breaking at high RPM's and 110HP or lower engines
> didn't need it.
> I have seen plenty of 95HP engines with solid pulleys.
> Clark Hartzel, CPF Curator
>
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