Possible Clues:

• Oldie drunk is well this
• Cut down on noise, maybe
• What it is after 10 across - ten back that was in the front
• Lubed up
• Having got nothing, I was smoothly in the lead
• Worked hard - no time to get drunk
• Feeling no pain
• Well prepared engine?
• Smoothly running band I conducted
• Running smoothly, perhaps