Comments by "John Cunningham" (@johncunningham4820) on "Seafoam--can't believe what it did to my engine!!" video.

  1. This is called : " Todays Oils , for Yesterdays Cars " . STP and Bardahl had a similar product to the Lucas additive Long ago . Both adhered to metal so well that they would STAIN Stainless Steel . Permanently .
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