BENCHProject Farm index

Oil & Engine Additives

Seafoam--can't believe what it did to my engine!!

Mar 2017/10 min/3 products tested

Watch the test ↗

The verdict

He didn't give an outright ranking in this one — the full tested list is below.

Other picks

  • Also noted

    Seafoam

    “I am really impressed with this Lucas Oil Treatment as well as seafoam”
    Buy ↗
  • Also noted

    Lucas Heavy Duty Oil Stabilizer

    “I am really impressed with this Lucas Oil Treatment as well as seafoam”
    Buy ↗
  • Also noted

    Seafoam Spray

    “the seafoam did a really good job of cleaning up the carbon deposits”
    Buy ↗

Everything tested 3

Links go to Todd's own Amazon listings with his affiliate tag intact — this site adds nothing and takes nothing.