The engine (1982 model) was rebuild a year ago. At this time I can not
determine if there was a flaw in the drop forged casting. I can only
speculate that the cam shaft broke in two because of misalignment.
"Coz" wrote in message
news:4xNOe.3547$Hk.756@pd7tw1no...
if you have the camshaft you should be able to see if it was a casting
flaw - i had a driveshaft that snapped like that and was incredibly
obvious
was a manufacturing defect, the dealer didnt even discuss it when he saw
it
and just replaced it.

"Denis Marier" wrote in message
...
I wonder if someone has some reliably data concerning broken cam shaft on
diesel engine.
I have never seen a cam shaft to snap under normal load. The cam shaft
on
my 1GM Yanmar broke in two pieces. Being a drop forged casting it
requires
a
fantastic impact to break in two.
Unless it is from an original hair line crack at fabrication that was
not
detected at the time.