Technical Stuff

Off-Road

Billavista's Bibles - this is as old as the internet and the recovery bible is STILL essential reading for anyone venturing off-road.

Dirtydiesel's genius 1-link - when you get Dan, SimonR and Bill Van Snorkle on a suspension thread you know it's going to be worth reading.
Daan's Series 3 hybrid awesome attention to detail and innovative thinking * Range Rover classic restoration - beautiful work by Retropower.
Owl's 88" Trialler build a very nice trialler build.
Project Binky - the guys from BadObsession are building a 4WD mini, some great work and some terrible jokes. I have stolen several ideas from them already.
LT77 and LT230 into a Series 88 keeping the red & yellow knobs
- And again
- And more

SOUP Classic Motoring - a guy in a shed restoring his classic cars with no money and learning as he goes, warts and all. A great series if you're new to tinkering with cars or want to restore something.
SuperFastMatt building all sorts of very cool projects - an electric 1930's Jaguar, an off-road Dodge Viper, a land speed record car, even a sandwich.
A man and his son 3D printing a full size Lamborghini Aventador

https://landroverworkshop.com/ - Illustrated parts diagrams for Series & Defender
http://www.red90.ca/rovers/springinfo.html - Data on every Land Rover spring made

Steve's Dad's 100 inch pickup very neat install nicely documented.
Mez.co.uk a LOT of good Rover V8 tuning tech including Megasquirt and DIY trumpets.
Stan Weiss's fuel injector data tables / cross-reference. if you ever need to find an alternative fuel injector this is invaluable.

Hackaday occasionally features brilliant or useful projects / DIY.
A guy reverse-engineering his old Subaru maybe not very LR relevant but shows how accessible it can be.
EV Hacking on YouTube

LowTech's excellent guide to solar
Professional Mil-Spec Motorsport ECU Wiring Harness Construction by RB Racing, an excellent article / info-dump, shows just how much goes into these things and the extremes they go to to shave some weight off.

Instructables occasionally turns up good ideas but there's a lot of cack to wade through.
Trevor's Land Rover Spring Calculator allowing you to use science to work out which springs you need.
- See also Red90's Land Rover Spring Info page for every LR coil spring ever made
FOA's suspension calculator
FJ40 traction Bar great explanation (with diagrams) of anti-wrap bars.
Comprehensive page on GKN Type J overdrive which is the same guts as the GKN Land Rover unit.
NASCAR vs F1 engine interesting technical comparisons.
3D printed press brake dies it shouldn't work but it does
Variable Intermittent Wipers using the VW/VAG relay
https://www.crawlpedia.com/
https://www.butlertechnik.com/ excellent source of manuals & instructions for Eberspacher heaters
https://size.name/en/catalog/radiatory a site that lets you search standard radiators by size/shape and lists potential fits.

For inspiration, ideas to steal, and things to avoid:

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not really

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very not really

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billionaire