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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Accelerate an engine 3 letters:

REV: Accelerate engine speed
REV: Accelerate an engine
REV: Accelerate the engine
REV: Accelerate, as an engine
REVUP: Accelerate, as an engine
REVS: Accelerates, as an engine