Hi seacoast, if you're gonna' drain the block, get your umbrella ready! There are two block drain bolts on the 116 engine. You can see them ( one on each side ) by looking straight up from the bottom. They're 6mm allen's (they look similar to trans' pan drain plugs ). It's difficult to describe their location. They're about mid-way from front to back, above the highest point of the main oil pan. If you look around you'll find'em. The tricky part is not making a mess when you remove them. There's no easy way to direct the coolant into the drain pan. Let us know what you come up with.