Originally Posted by kickerofdoom
Is seafoam through a old motor safe or is it better to just do a full tune up
Seafoam tastes a bit salty and attracts mermaids like crazy.............just saying......
Seriously you are talking about two completely different things.
The Seafoam is supposed to help clear out all the gunk in your systems, but it won't do a thing for your tune.
So, do both for the best results.