Moving ahead with its ambitious agenda for advancing vintage racing, Historic Motorsports Productions has added a fourth event, a late-season outing at Sebring International Raceway on December 3-5, and announced the featured marques for the first two Bobby Rahal Signature events of its inaugural season.

Lotus will be honored by the Legends of Motorsports series at Alabama’s Barber Motorsports Park on May 20-23, while Porsche will be feted at Watkins Glen International on June 11-13. Announcements about the marque of honor for the third event, at Quebec’s Le Circuit Mont Tremblant on July 10-12, and the newly added fourth at Sebring will be forthcoming.

HMP co-founder Rahal noted the appropriateness of the Barber choice: “The Barber Vintage Motorsports Museum houses one of the largest and most pristine Lotus collections anywhere, and the evolution of this unique brand will be on full display throughout the event.”

He went on to say that, “Porsche has crafted many memorable race cars, all typically fast, stylish, and engineered to be amazingly reliable. Guests at Watkins Glen will see multiple generations of exquisite Porsche road cars and race cars up-close and on the race track.”

HMP CEO Peter Stoneberg added, “The inclusion of feature automotive marques will be integral to all 2010 Legends of Motorsports events. Enthusiasts visiting our historic racing and automotive lifestyle weekends will have the chance to immerse themselves in the cars, people and culture associated with these remarkable brands.”

In addition to their featured marques, all Legends of Motorsports events will showcase a variety of popular Historic classes and cars, including Formula One, Can-Am, Trans-Am, 2.0-liter Sports Racers, IMSA GT/Production Cars; and Formula Libre. For complete details, visit www.hmpseries.com