Skills

Basics

• Racing Basics — physics of understeer/oversteer, driving at the limit etc. Paradigm Shift Driver Development

• Driving Techniques For The Race Track (Speed Academy) — techniques for improving track driving. Speed Academy

• Tips & Track Tutorials — learning tracks, line variations etc. Full Throttle Driving Academy

Comprehensive

• HPDE Handbook - Southeast Michigan Porsche Club

• HPDE Curriculum Guide by Instructor Summit

• Excellent series of performance driving tips, ebooks, etc. Speed Secrets

• Rain tips by Lockton Motorsports

• Rain Driving Techniques

• Rain tips by SpeedSecrets