Answer:

REV

Answer	Crossword Clue
REV	Gun the engine
REV	Hit the accelerator
REV	MLK's title

REV	Minister, for short
REV	Pastor, for short
REV	Prepare to drag
REV	Race the engine
REV	Part of r.p.m.
REV	.. up (accelerate)
REV	Gun the motor
REV	Step on the gas

REV	Vroom the engine
REV	Gun, as an engine
REV	Gun in a drag race
REV	Give it the gas
REV	Gun
REV	Churchly addr.
REV	Gun in a car
REV	Gun, as the engine

REV	Accelerate
REV	Gun it in neutral
REV	Increase the speed of
REV	Sharply accelerate
REV	New Test. ender
REV	Biblical bk. that mentions Armageddon
REV	Accelerate, with "up"
REV	Clergyman: abbr.

REV	Last N.T. book
REV	Gun in a garage
REV	Minister's title: Abbr.
REV	Sun. title
REV	Gun on the street
REV	King's title: Abbr.
REV	Mem. of the clergy
REV	One with a flock, for short

REV	Part of IRS: Abbr.
REV	Crank up
REV	Jackson's title: Abbr.
REV	MLK title
REV	Title for MLK