Hello,
If you are looking for carsets, editors, TSR patches, tutorials and other stuff related to Microprose Formula One Grand Prix (F1GP/WC), you can find them on the F1GP website:
https://sites.google.com/view/f1gpwc
The F1GP website hosts the entire F1GP file archive, including the files from all the old websites that were dedicated to the game. You can find up-to-date carsets, including for the 2019 F1 season.
You can also follow the latest news and join the discussion on the F1GP forum:
https://groups.google.com/forum/#!forum/f1gpwc
Cheers