Quoting Mike Pittinaro <mechimike@xxxxxxxxx>:
> My '67 just broke its camshaft. I thought _that_ was
> unusual...but its cast. The forged steel crank in
> '67's are all but indestructible. How it managed to
> break is beyond my comprehension, unless something was
> way out of balance, the engine was revved hard, no
> oil, or perhaps (if the car was a low-mileage model)
> it could have been a birth defect.
>
Even with no ol, I think the bearings will give way beyond the crank. A bad
harmonic balancer would be the only cause I can think of (in addition to the
birth defect). D^2