If there's a more raw and evocative sound than the roar of Chevrolet Corvette C6.R gunning around Le Mans, then it's been well hidden.
The LMP classes have the whoosh of the diesels, the highly-tuned scream of the Aston Martins but it's only in GT1 where there is noise like the Corvettes. And the sad thing is we won't hear or see them again over the 24 Hours with the GT1 class disappearing after 2009.
Their swansong at Le Mans looks likely to end with a flourish though and by the time you read this, they may well have won class honours again. Admittedly, without the Prodrive Aston Martin Racing team on hand to keep them honest, the brute force of the American cars has been without peers in the class and a podium clean sweep has looked more than likely for much of the race.
But even without such a superb result, it's the fact that these cars are now running the final laps of a Le Mans career that has seen extraordinary highs and lows that makes a lump rise in the throat. When Aston turned its attentions to the LMP1's, there was a sense of an era passing as Corvette essentially went it alone and it's been a lonely furrow to plough.
Au revoir, Chevvy, you'll be missed.