Directly from Seafoam.

[kawika219]

Originally Posted by Bigsyke

1/3 of the can.

Ive heard nothing but horrible speculations about putting it into the crank case, but nobody really knows, this should bust the myth.

I wonder if mods would ever sticky this.

the bad part about it is, if you have a gasket that was leaking but sealed by the gunk you're sol. seafoam will clean it out and the leak will appear