Engine fig. WSJ Crossword Clue

Think about how fast something spins under the hood.

??? is an abbreviation for 'revolutions per minute,' a measure of the frequency of rotation.

The clue 'Engine fig.' refers to a common measurement related to engines, '???,' which stands for 'revolutions per minute.' This is a figure that indicates how many times the engine's crankshaft makes a full rotation in one minute, a critical measure of engine performance.

Measure of engine speed, in brief, Figure measured by a tachometer, for short, Turning fig., Engine stat, in brief, Dashboard reading, for short