iRacing officially launched Oval Refresh Phase 2 to revolutionize how drivers experience stock car racing. This update changes how rubber interacts with the track surface during a long run. Specifically, the simulation now calculates how tires tear rubber from the surface versus how they deposit it. Consequently, multi-groove racing is now more viable than ever…
iRacing’s Season 4 update introduced a revised tire model for the GT4 class, and it’s proven to be one of the most impactful changes of the season. Drivers across multiple platforms have noticed a distinct shift in how the cars behave — particularly with tire temperature buildup, wear, and grip consistency over long runs. If…
The iRacing NTMv10 tire model is entering its final round of internal testing.In the August 2025 development update, iRacing confirms that the new physics system is almost complete after more than a year of work. Developers say NTMv10 will deliver major upgrades to tire heat simulation, force feedback, and overall car feel. This project is…