<VV> Harmonic balancers

[Mark Corbin]

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
>