Thread: Seafoam?

Good stuff Mark. I use it in the boat every other fill up. And in the truck and car about 3-4 times a year.
If you use it in your oil add about 1/2 can to a 5-6 quart oil pan about 100 miles before your oil change.
Caution though. If your internal engine is really sludged up I wouldn't do it. This stuff will loosen all the sludge and send it to the pan and plug up the pump screen.