TECH TUESDAY: Inside Haas's major upgrade and how it will help guide the development of next year's car

At this late stage of the season, and at the back of a long-haul triple header, it was not surprising that only one team had any sort of upgrade on its car in Brazil – and even that was just a minor change to the front wing flap of the Haas.

But at the beginning of that triple header sequence, in Austin, Haas presented its first major upgrade of the season. This was essentially a rebody of the VF-23, one which had involved substantial re-engineering of the car’s cooling system layout.