Here's a collection of quality technical YouTube channels and individual videos that I think are worth your time.

One off videos:

Physics of Racing - A lecture about how cars go fast around circuits. This lecture is pretty special to me as it's responsible for the horrendously nerdy technically obsessive spreadsheet enthusiast I am now. This was my introduction to concepts like load transfer, tyre load sensitivity, inertia, how toe angle influences slip angle, and probably other concepts that are so fundamental to me now that I don't even remember not knowing them. My highest recommendation. NASCAR Engines 101 - A lecture on how engines make and lose power. If you aren't a fan of NASCAR, don't get put off. This is an excellent overview of the way engines make power. I especially enjoyed data on the performance improvement of tuning individual cylinder ignition timing. How far can tuning a stock engine get you? Let's find out. - Sadly gone clickbait since I first found it, this is a very good video showing the process and general theory of ECU tuning.

Channels/Series:

Intro to Racecar Engineering Video series on considerations for building a Formula Student/FSAE car. Advice and physical examples of what he’s talking about included, practically covering every part of chassis design. The only place I've come across to demonstrate crossweight/jacking from kingpin/caster angle. Throttle Stop Garage - A very fun channel about a Canadian guy rebuilding a '66 Volvo Amazon into a totally rebuilt carbon fibre car. A proper amount of detail and information. Don't let the rough first few videos put you off, this is a great channel covering all the pitfalls and wonders that come with completing a project. OptimumG - OptimumG is a fantastic resource. Lots of good race engineering stuff in the sort of practical area, especially if you're into sim racing or modding. Also check out their site, which has a blog with access to their Racecar Engineering articles. KYLE.ENGINEERS - Ex-F1 engineer talking about racing cars. Huge emphasis on aerodynamics, sometimes suspension. I especially recommend his series on tyres, which is a fantastic comprehensive guide. He uses CFD to demonstrate what he’s talking about. B Sport - Another aerodynamic focused racing car channel from an ex-F1 engineer. Typically more theoretical than backed up by data, but shorter, more digestible, and more frequent videos with regular uploads. Perhaps a little underbaked and focused more on uploads in recent times, but in general knowledgeable and interesting. Highlights include his video on 2022’s F1 mirror rules. GraysGarage - Does some cool videos visualising airflow over cars using water and scale models, effectively identical to a wind tunnel. Emphasis on Japanese 90s stuff, and a unique way of looking at the effect of different modifications. Dan Edmunds - Putting road cars onto jacks, pulling the wheel off, and taking a look underneath. I love the discussion of the practical side of suspension design focusing on engineering compromises and packaging concerns. WaveyDynamics - Largely about vehicle dynamics and handling. There's some very cool CFD and design process videos in the early days of the channel, and later on some insightful podcasts and interviews.

"The Antipodeans Want to Sell Me Something"-Zone:

No really, why is it always from down under? Arguably some of the best content, just be warned that you're going to be sold something every step of the way.

ChassisSim - An Australian guy talks around vehicle dynamics at a high level. These presentations were my introduction to a lot of motorsport engineering terms, like yaw damping, and separating stability from oversteer. Dig around a bit, because a few of these videos are nothing but adverts for his software with nothing beyond it, but the majority do have interesting case studies and examples. The damper workbook is a particular highlight, definitely a place to start if you're trying to work out springs and dampers. He's probably the source of most of my day to day calculations and code for modelling cars. Julian Edgar - A practical look at aero and suspension, with an emphasis on proving that modifications actually work. There's plenty of real world data, mostly on his own cars, which I like, and he occasionally pulls down videos to boost book sales, which I don't like. Also take a gander through Veloce Publishing, his publisher who has a few more of his videos. High Performance Academy - An emphasis on building high power engines, manufacturing, and design, but the channel covers pretty much every aspect of making fast cars. HIGHLY recommend the podcasts, the interviews are fantastic and I'm always learning new things in them. Besides those, the day to day uploads are informative. Books