Revive has already released an update in the 0.8.5 release allowing HTC Vive owners to play Dirt Rally.
- Download the Revive Injector here.
- Extract all files to a folder.
- Go to the installation directory for the game.
For steam it would be your steam install folder:
- Find the main executable, which is drt.exe
- Make sure SteamVR is running and then drag main executable onto ReviveInjector_x64.exe.
Enjoy Dirt Rally on your HTC Vive.
Read more about Revive on GitHub