Related Clues:

• Fires (up)
• 33 1/3 or 45: Abbr
• Rotational meas
• 45 or 78, briefly
• Amps up
• Tach. meas.
• Accelerates, with 'up'
• Rotation stat
• Guns, Indy-style
• Meas. of engine speed
• Tach figure, informally
• Enjoys a V-8?
• Tach units
• Rate of rotation, abbr.
• Tachometer info