> I am curious as to why it would have cracked there. Design flaw or
material
> inadequacy?
>
> Howard Darr
> Clymer PA
>
My opinion , YES !
I can almost see the soft , possibly micro-porous , cast aluminum , shrinking as it cools , and setting up a built-in set of stresses , right exactly there .
No road vibration or load even needed .
Raoul Delmare
Marysville Kansas