NTT INDYCAR Series – Grand Prix of Portland Final Warm-up

By Patrick Stephan The final practice session for the NTT INDYCAR Series at Portland International Raceway started at 5:15pm with the air temp up to 91F and the track at 107F. The track temp is actually decreasing from a peak around 113F today, even though the ambient has come up to today’s high. The humidity…

This content is for 12-Month TSO Subscription and TSO Monthly Subscription members only.
Log In Register