Quote:
Originally Posted by JQmile
Awesome info! Aero does equal horsepower, as far as top speed figures go. If they are giving it more hp and enhancing the body with a boat-tail, then the production car land speed record is over 300mph. Still, for a mostly stock car, it is incredible.
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Yeah,seems like Cda is the defining parameter for speed.And you'll notice that the aerodynamic road load absorbed 85 % of available horsepower,even without the LRR Michelin donuts.The long-tail Olds AEROTECH ( Cd 0.19 ) was pushing 300 mph at that same track,but with 800-horsepower,not 168.It is pretty incredible!