martinjlm
Retired from GM
Different tires, different compounds, different suspensions.
Different compounds is a huge matter. Because of the differences between the Alpha platform and the S550 platform, plus the mass differences between the ZLE and the GT500, it is likely that Ford has to rely on the tires to play a larger role in managing the forces generated through cornering and braking. As a result they may have specced a more aggressive compound for the GT500 version of the Cup 2 than the compound GM specced for the Eagle F1 Supercar 3. Less aggressive compounds last longer. And if they are being called upon to play a lesser role than the tires on a GT500 when it comes to cornering and braking, that will also contribute to the differences in tire life.I'm familiar with all of that and on each car. My comment stands.
The only saving grace I can see would be camber settings. Again, yet another article that isn't crystal clear on what numbers each car ran.
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