v0.3 adds the 1963 Watson Offenhauser. All drivers who raced a Watson Offenhauser at the 1963 Indy 500 feature in the file, along with a few who raced other Offenhauser-powered chassis. Parnelli Jones drives the race-winning "Calhoun" #98, which was built by A.J. Watson and entered by J.C. Agajanian.
In case you're not familiar with the 1963 Indy 500, the F-Vintage Gen1 class awaits a multiclass rematch....