Stock Car Extreme v1.38 Released!

Special evening release for our Aussie friends :)

Main changelog for v1.38:

Cars:

Added Super V8 series.

Tracks:

Added Modern Montreal.

Features & fixes:

Minor Jacarepagua Historic LOD fixes; Updated trackside ads; Fixed error with 2 F3 talent files; Adjusted F-Extreme gear & final drive ratios to better match 2015 standards; Updated off-track & rumblestrip sounds in closed cockpit cars.