Ok, that is a different question than the one I was thinking of -- whether the amount of oil required to fill was more.  Of course it is, but one has to make sure that it drains when  draining the oil for a refill.  That means the engine has to be at operating temperature.

---- Dan N <dn92610@gmail.com> wrote:
> I personally asked Ten Cent about this subject. The extra oil in the hoses
> and the radiator doesn't come back to the sum...
>
> here the copy and paste of question and answer..
>
> *Q: is the oil in the cooler will or will not going back to the engine when
> I shut off the engine? thus will it make the oil level on the dipstick
> higher?*
>
> *A: No, the oil in the cooler circuit doesn't drain back into the sump, so
> your dipstick level is the same as if the cooler wasn't there. *

--
David McNeely