___ up (accelerates), 4 letters
___ up (increases in strength), 4 letters
Accelerates sharply, 4 letters
Accelerates, as a hot rod, 4 letters
Accelerates, as an engine, 4 letters
Accelerates, with up, 4 letters
Al Green and others: abbr., 4 letters
Complete turns, briefly, 4 letters
Cranks up (the engine), 4 letters
Cranks up (the V-8), 4 letters
Cranks up, as an engine, 4 letters
Engine speed, for short, 4 letters
Fires up, as an engine, 4 letters
Gives some juice to, 4 letters
Guns before the gun, 4 letters
Guns in the Brickyard, 4 letters
Guns on the street?, 4 letters
Guns, as the engine, 4 letters
Guns, in the driver's seat, 4 letters
Guns, Indy 500-style, 4 letters
Increases motor speed, 4 letters
Increases the speed of, with up, 4 letters
Info. from a tachometer, 4 letters
Jesse Jackson and Al Sharpton, briefly, 4 letters
Makes louder, in a way, 4 letters
Men of the cloth, briefly, 4 letters
Men of the cloth: Abbr., 4 letters
Prepares for dragging, 4 letters
Propeller turns, for short, 4 letters
Pulpit occupants, briefly, 4 letters
Puts the pedal to the metal, 4 letters
Races, as an engine, 4 letters
Races, as the engine, 4 letters
Rotations, in garages, 4 letters
Speeds up the motor, 4 letters
Stops idling, in a way, 4 letters
Tach figure, informally, 4 letters
Wedding parties?: Abbr., 4 letters
What a tach measures, 4 letters
Charles of cosmetics, 6 letters
Accelerates sharply, 6 letters