The second round of the 2014 World Endurance Championship is scheduled for next weekend at Spa-Francorchamps.
Toyota and G-Drive win in Bahrain, Oak Racing takes LMP2 championship.
Action at the Circuit of the Americas begins with a test day on Thursday
At São Paulo only four LMP1 cars have been entered.
A revised TS030 Hybrid for Toyota Racing starting at the Interlagos circuit where they scored their maiden WEC victory last year.
The GTE classes : Porsche marks 50th Anniversary of the 911 with victory at Le Mans. Many of the teams and drivers paid tribute to Aston Martin’s Allan Simonsen whose life ended on Saturday morning.
Toyota’s position as world leader in hybrid vehicle technology was emphasized earlier this month when the company passed the 5 million mark for sales of hybrid road cars.
But both TS030 HYBRID cars lost positions to the two Audis mainly because track temperatures did not suit the chosen Michelin tyre compound.
Very close finish in the season opening FIA World Endurance Championship race at historic Silverstone. It was a battle between the two Audi R18 e-tron quattros in the closing minutes.
Following three wins from six races in 2012, the team arrived in Britain with two 2012-specification TS030 HYBRID cars.
After an impressive debut in the WEC in 2012, which included three victories in just six races, the team returns with an ambition to win both the Le Mans 24 Hours and the WEC title.