1.   And some athletes are concerned that fast food may fuel their racing engines with an empty tank.

2.   Buddy fooled with the choke and raced the engine.

3.   But most people go to national parks for the quiet and the scenery, not for the smog and the din of racing engines.

4.   Connecting rods are made of light titanium alloy, common in racing engines but unheard of in production cars.

5.   Despite the marketing emphasis, most manufacturers say they are in Formula One for the technical challenge of building the most advanced of racing engines.

6.   Hornaday has spent most of his NASCAR career racing Chevy engines, including this year in the Dale Earnhardt Inc.-owned NAPA Auto Parts Monte Carlo.

7.   Indeed, it almost begs to run at full throttle, rewarding hard use with instant response and a whine reminiscent of a Formula One racing engine.

8.   No longer are teams allowed to switch from qualifying to race engines.

9.   Papis, who races Ford engines for Team Rahal, raced Toyotas for Arciero-Wells the past three years before being replaced by Pruett this year.

10.   That is the assertion of Guy Negre, a French engineer whose previous experience was in designing high-performance Formula One racing engines for Renault and other teams.