I did the Seafoam thing yesterday to my 2002 F150 and my wife's 1999 Honda. I wasn't really having a problem with either one, but I can already tell a difference! I think I will start adding it at every oil change now. That stuff is great!

 

Adding it to the Oil or Gas?

 

1/3 through brake booster vac line the rest through the tank.

 

sssssseeeeeeeeeeeeeeaaaaaaaaffffffooooooooooooaaaa aaaammmmmmmmmmmmmmmmmm...........ahhhhhhhhhhhhhh

What a boost!