allowed under the sporting regulations during the three-week summer moratorium from in-season testing) at the Circuit de Nevers Magny-Cours and the Silverstone Circuit, respectively. Several teams made modifications to their cars to maximise slow speed grip and traction and setup for the Hungaroring's high-speed chicanes. Minardi introduced a revised chassis for both of its race and test PS01s, which comprised a new titanium gearbox and rear suspension geometry, tested by Andrea Piccini at the Fiorano Circuit. McLaren mounted a secondary wing to the tail of the MP4/16's engine cover above its gearbox and Williams did the same as it installed cooling bodywork on the engine for the first time since the Malaysian Grand Prix. The Benetton and Sauber teams fitted new front wings and undertrays to their vehicles while the former constructor also introduced revised bargeboards and a rear diffuser. Both Ferrari and Jaguar brought a revised high-downforce configuration that was an evolution of the package they utilised at the Monaco Grand Prix. BAR installed a new diffuser featuring two vertical strakes in each side channel, as well as a new floor and front wing. The 003 also featured additional winglets on the engine cover that were used at the Monaco Grand Prix. Jordan brought significant updates, including a new engine cover with a deeper top section and shallower lower section and a revised shape around the rear suspension. The new bodywork was complemented by a new undertray and diffuser. Jordan added a horizontal narrowing chord winglet similar to that of the Williams FW23 ahead of the sidepod inlets. Jordan also modified the pedal arrangement for Alesi's car, as he disliked the left-foot braking technique used by Frentzen and Zonta. Arrows brought a new front wing for the A22 and installed small wings over the rain light and rear axle used at the Monaco Grand Prix. Prost used its double-element front wing from Monaco and added a small wing over the rear axle. Frentzen used Brembo brakes instead of the Carbon Industrie components Alesi preferred. Practice A total of four practice sessions preceded Sunday's race, two one-hour sessions on Friday and two 45-minute sessions on Saturday. Friday's two practice sessions were held in hot and clear weather. In the morning session, Michael Schumacher lapped quickest at 1 minute, 16.995 seconds, 0.288 seconds faster than his teammate Barrichello in second. The McLaren cars of Häkkinen and Coulthard, Ralf Schumacher, Nick Heidfeld