Generally speaking :

    Cranking = starter works
    Turns over = runs(or at least starts)

I think.....

"Chris S." wrote:

> Tom sez:
>
> >cranks strong, but won't turn over.
>
> Tom,
>
> Can you describe the symptoms in a little more detail?  I'm  a little
> confused as 'cranking' and 'turning over' mean the same to me.
>
> things to check as always: 1) fuel, 2) spark.
>
> Chris