Optima Battery Faceoff Challenge completed at Road America, winner Bret Voelkel with Factory Five '33 Ford, and 4 invitations announced for Optima Street Car Invitational in November the day after SEMA

above photo of the 2400 pound, 630 Hp '33 Ford made by Factory Five, owned by the Ride Tech owner, from my coverage of this springs race in Irvine, full gallery at http://justacarguy.blogspot.com/2013/02/the-variety-of-cars-at-2013-run-to-cost.html

2400 pounds, 630 Hp

1933 Factory Five Ford (Above),
 1964 Chevy Corvette,

2013 Nissan GTR,

1963 Pontiac Le Mans

 and 1981 Pontiac Trans Am

won entries to the 2013 OPTIMA Ultimate Street Car Invitational. Above 4 images from Pro.touring.com newsletter

Full gallery at http://bangshift.com/gallery/optima-faceoff-at-road-america-2013.html?pid=150440 who covers cool races like this

Think about watching the kick ass cars live, it's possible, and you can bet the best race will be the Optima Street Car Invitational in November just outside Las Vegas on the Saturday after SEMA