Is STP A Good Brand For our Car?

Like for treatments for your car?

How about Gunk or Gumout?

2 Answers

  • 8 years ago
    Favorite Answer

    If you use good oil, you shouldn't need any additives.

  • 8 years ago

    Stp is terrible for you engine!!! Don't ever use an oil additive!! As for fuel, seafoam, techron, or redline is the best in my research.

Still have questions? Get your answers by asking now.