Acura?s gasser on the poll with Audi?s R15 TDI on its heels for this weeken

Sebring, FL -- Acura?s ARX-02a prototype with its 4-liter, normally-aspirated V-8 engine sits on the pole with Audi?s R15 TDI next to it on the row one. The battle for Saturday's prestigious Mobil1 12 Hours of Sebring title began yesterday for practice when the American Le Mans Series cars hit the legendary airport surface at Sebring International Raceway. The 57th running of the 12 Hours of Sebring starts at 10:30 a.m. (EDT) Saturday.