Crossword clues for Speed the engine 3 letters:RPSEngine speed: Abbr.RPMEngine speed: Abbr.RPMEngine speed meas.RPMEngine speed no.RPMEngine speed, for shortRPMEngine speed inits.RPMMeas. of engine speedREVAccelerate engine speedREVSpeed the engineREVChange the speed of (an engine).REVSpeed up an engineREVSpeed up, as an engineREVTEMPOGun, as an engine speed on a trackOPENTHETHROTTLEIncrease engine speed fullyTACHEngine speed gauge, brieflyRAMJETSpeed engine.RPMSEngine speeds: Abbr.REVSEngine speed, for shortTACHEngine speed gaugeREVUPIncrease, as an engine's speedREVSSpeeds the engineRACEDRan with undue speed, as an engine.REVSSpeeds (up), as an engineRAMJETEngine that's optimal at supersonic speeds