YotaTech - My favorite site. You'll often find me here. A collective of forums dealing with everything Toyota. Caters to Toyota 4Runner, Pickup, Land Cruiser, Tundra, Tacoma, T-100, Highlander and Sequoia. There are over 12,000 members here, who share their knowledge, experience and ask questions when they are having problems. Subjects cover modifications, technical, maintenance, repairs, audio & stereo, communications, trail reports, product reviews, a photo gallery and much more! Let the off-roading adventure begin! YotaTech Rocks!
Roger Brown - This guy has got to be one of the most knowledgeable persons on Toyota trucks anywhere! His site is a wealth of technical information covering mostly 1st generation 4Runner's but also later 4Runnners and pickups.
4x4 Wire - Tech, Reviews, Maintenance, Trail Reports, Land Use news, discussion forums, photo galleries, and more.
Google Groups - Google Groups is a free service which helps groups of people communicate effectively using email and the Web. Every group has a home page hosted by Google where members can start new discussions or reply to older topics. This group pertains to Toyota Trucks. Members can read and search all public Google Groups content, including more than 1 billion searchable postings from the Usenet bulletin board service, dating back to 1981.
Pirate 4x4 - Excellent site, with forums dealing with more extreme off-roading
ToyotaLinks.com - 800+ Links to Toyota 4x4 Specific Information