[Basel A]

Originally Posted by Chris is me

At IRI, some teams try harder than others. Everyone takes it somewhat seriously, more than any other off season, but there are some teams that relax and others that go all-out. The all-out teams tend to perform better and are more likely to win. I won't name names, but it's just something to keep in mind.

There's also a huge difference between teams that use the previous season's drivers and those that use new drivers. This varies both team by team and year by year and the effects are not easily predicted.