Related Clues:

• Amps up
• Accelerates, with 'up'
• Rec. measures
• Turntable stats.
• Tach figs.
• Guns, Indy-style
• Tach figure, informally
• Enjoys a V-8?
• Tach units
• Record-player speeds
• DJ's concern
• Cranks up, as an engine
• Accelerates, as a hot rod
• Stops idling, in a way
• Guns, in the driver's seat