Stock Car Extreme v1.35 is now live and this version brings both new content and core sim updates to this Reiza Studios title.
They have added new content in the form of,
Cars:
Added Opala Stock Cars 1986 series;
Tracks:
Added Jacarepagua Historic;
Added Spielberg Vintage layout (no chicane).

And also sorted out these issues,
Features & fixes:
Kansai Texture Mipmapping Optimizations & Fixes;
Jacarepagua Historic Loading Screens
Fixed Salvador AI Pit Entry;
Fixed Superkart loading error when using lower graphics settings;
Fixed missing Superkart parts when using TV cockpit cam.
If you have the Steam version of GSCE then it will automatically update next time you fire the Steam Client up, but if you have the none Steam version you will need to the run the GSC Sync app.
To find this cracking sim on Steam CLICK HERE