Big racing simulation groups?

[John Doe]

I'm looking on Google Groups, for what it's worth. Just in case I
miss a big group, what are the biggest car racing simulation groups?
Thanks.

[rms]

rec.autos.simulators

Post by John Doe
I'm looking on Google Groups, for what it's worth. Just in case I
miss a big group, what are the biggest car racing simulation groups?
Thanks.
--
The first big front wheel rollerblades.