I seafoamed my old car before, and never had issue with the engine or anything after that. If no smoke comes out your engine is clean so that is good! How I did it with my old car was I would pour the seafoam in a solo cup, take line off and just keep it just touching the port so I could start engine, then put hose in solo cup for it to suck it up and let the engine run till it dies. Then I have it sit for a little then connect hose and start it up and go for a drive.
Is that a wrong way to do it? Also is it better to do after oil change or before? I did before on my car.
Is that a wrong way to do it? Also is it better to do after oil change or before? I did before on my car.
