Just go airio servers while u in demo skip the best ping. There good races in demo atleast at MRC and AMG lately, But I think both have experience limit 25 or 50.... so AA or B2R then start their server up both good servers.
I remember doing 1.36 on old physics on old blackwood think 1.36 on own made set just learned track. Then I got set from 1.33 guy i inmediatly was 1 sec faster lol this was in 2005 or 6
Not sure what u mean with C at my side C is clutch.
And raceline help 4 turns it on or off maybe only at track change it changes back.
Anyway searched for some default raceline on or off but I couldn't find it in options