Here are a few of the channels I've found good info on lately. A little entertaining too, sometimes...

Streten's channel is producing excellent content and tips atm:
https://www.youtube.com/c/M539Restorations/about

Also 50s kid if has done some great content (but is off on a hiatus into house renovation during Cov-SARS-2)
https://www.youtube.com/c/50sKidAuto/about

But people are popping up all over the place having discovered a 'cool 90s car' and getting enthused enough to make a video about it!