Oil additive letters, 3 letters - Crossword clues, answers, solver

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Answer for the clue "Oil additive letters ", 3 letters:
stp

Alternative clues for the word stp

Pit stop stuff
Slick 50 rival
Racecar fuel additive
Longtime Indy sponsor
Longtime Richard Petty sponsor
Indy letters
Sponsor at Indy
The racer's edge, commercially
Speedway letters

Word definitions for stp in dictionaries

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
commercial motor oil additive, probably an initialism (acronym) of scientifically treated petroleum . As the street name of a type of psychedelic drug, attested from 1967.