Engine additive since 1954

69 Across3 lettersMonday, 09 July 2018

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Keywords
additiveenginesince
Answer appears in 46 other puzzles
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About this clue

This clue appeared in the NYT Crossword on Monday, 09 July 2018. The answer STP is a 3-letter entry.

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Frequently asked questions

What is the answer to "Engine additive since 1954"?
STP
How many letters is the answer to "Engine additive since 1954"?
The answer has 3 letters.
When was this clue last seen?
This clue last appeared in the NYT Crossword crossword on .
Has this crossword clue appeared before?
Yes. Variations of this clue have appeared 46 other times.

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