i ve just read that Pagani made the Zonda even faster by modifiying the engine and the chasis a bit. now the car produces >600 bhp.
-The lubrication system is a dry sump
-Cooling system has been improved
-The gear ratios are optimised
-The aerodynamics has been modified for higher cornering speed with more downforce, with a new wing and front difuser
-The sport exhaust without silencers and catalysts
-With the goal of reducing the car weight the side windows are in polycarbonate
-The configuration of the interiors has been totally redesigned including new pedals and a new steering wheel and competition seats
-The suspension setting is more rigid, more suitable to track driving
-The brake system includes discs with a larger diameter and the cooling has been increased
-The roll cage is reinforced
-Safety devices such as the external fire extinguisher and the battery disconnection
-Ait extractors atop the front wheel arches