Subtract the amount of MMO you're going to add from the motor oil you
put in. And take the advice of many on this list that the "full" mark
means "too full." Subtract another half a quart while you're at it to
stay nearer midway between the two marks.

Mim

On Nov 15, 2005, at 9:46 AM, David Prendergast wrote:

> Getting ready to change the oil today and have heard that I should add
> a
> touch of Marvel Mystery Oil.
> Do I fill the van with all the oil and then add a bottle or subtract
> some oil to compensate for the mmo?
>
> Thanks,
> Dave
>