Haas to split cars between old and new packages for F1 Las Vegas GP

The decision is not a result of an attempt at a back-to-back data gathering exercise, but is simply down to the preferences of the individual drivers.

The team took a different direction with the upgrade package, first seen at the United States GP last month, and has since earned some solid midfield grid positions.

However, the cars are still proving hard in their tyres over a race stint, leaving the helpless drivers to drop down the…