This is an interesting article about the secretive straight line “Aero” testing the “Big Three” have been doing to potentially gain “The Unfair Advantage” in IndyCars… As reportedly AGR, Ganassi and Penske have been carrying out straight line testing, which has been done in Formula 1 for several years now.
As most recently I recall McLaren doing this on some tiny little Island last year, while the majority of the F1 Constructors have used this laborious practice to evaluate potential aerodynamic gains. Could this be one small reason why the Big Three have won the last 43 of 44 Indy Car races?
For more, see; Straight line testing