Get Gud Guides
A collection of motorsports resources found all around the internet. Expand your racing knowledge and understanding of topics from driving techniques, to circuit guides and vehicle setup.
General Motorsports Guides
Advanced Circuit Driving Techniques: ACDT
Book on the Physics of Racing Physics of Racing by Brian Beckman
SAFEisFAST YouTube series, with videos on every level of physical racing from driving techniques and setup guides to career development and driver safety: 
Skip Barber's Going Faster:
You can find videos on YT for Skip Barber guides on every track.
EmptyBox video on racing online:
Be sure to watch more of his videos in the Sim Racing 101 playlist.
A guide to the Nürburgring: Nürburgring guide
Laguna Seca: Laguna Seca Guide
Watkins Glen: Watkins Glen
How to drive on an airport: Sebring
British tracks need some loving too: Donington
If you can't understand half the shit we are saying Motorsport terms
Random interesting info How to take a corner & Nordschleife