Toyota's senior chassis general manager, Pascal Vasselon has warned that tyre management could be critical this weekend in Brazil.

Bridgestone has opted to take the 'soft' and 'super soft' compounds to Interlagos and Vasselon believes that could make things 'interesting', especially in the race, when the 'super soft' may be far from ideal.

"An interesting thing about going to Sao Paulo in 2007 is the tyre choice," he confirmed. "Bridgestone has proposed the two softest compounds - Monaco compounds.

"But in terms of tyre severity, Interlagos is much harder than Monaco so one of the challenges of the weekend will be tyre management and we expect the track to be tough on the softer tyre in particular. We don't really expect the very soft compound to be that raceable.

"It should be okay in qualifying but definitely in the race it will be hard to make it survive."

Bridgestone's director of tyre development, Hirohide Hamashima however doesn't believe that will be the case.

"Interlagos looks like a circuit that would be quite severe on tyres, but this is not the case, as it is not actually that harsh," he countered.

"High levels of grip are an important requirement here, especially in the infield section. Because of these grip requirements we will bring the soft and super soft compounds, the softest tyres we have in the 2007 Bridgestone Potenza Formula One range.

"However, we expect to have less grip here than when we were in a competitive situation last year, so teams and drivers will have to work hard to find the best set-up."



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