Dave Williams site Lots of good info on ford motors, including stroker builds and T-RX, the 5.0 litre RX-7.
Chucko's site, home of the fordnatics and 5.0natics mailing lists
Tom Schmidt's Mustang links Over 1800 Ford and Mustang related links.
Summit
Jegs
PAW
Currie
Ford
American Racing
tire rack
Corral net
Roush Racing
Scott's home page and home of dogg 302 M.A.
Geoff Crall's page
The Mustang Shop (Formerly wabba.net) Some good info on t-5 swaps and granda disc conversions
Listquest.com The home of the Fordantics, 5.0Natics and classic mustang list archives
Clay smith cams custom cams and blueprinted oil pumps
Mustangs Plus Home of the Magna Suspension components. They also build some cool cars and are great guys to ask question of, really nice people
Dearborn Classics  Parts for your Ranchero, Fairlane, Torino or Falcon
Stewart Components High flow water pumps, high tech brake parts and more
SpeedFX The site for NASCAR fans who want info about drivers, teams, and whatever else is going  on at the track
Melling Makers high flow oil pumps, also owners of the #9 NASCAR Ford Taurus which will become the #92 Dodge intrepid soon.
Worldrally.net Agreat source for info o nthe WRC. My newest favorite type of racing
Fia.com Home of the sanctioning body for F1 and WRC, good for info and current news
Jayski A great place for news on the Winston Cup Silly Season
Speedvision.com The online home of Speedvision,  "Where men are men and insurance agents are nervous."
National Drivetrain Drivetrain parts for your american car
Driveline.com more driveline parts
Beaterz.com good for a laugh
Bryan Hong's Riceboy page The originator of the rice boy pages, still the best out here
The online home of alt.hi-po.big-block-ford-mercury
Bigblockford.com The online home for Big block Ford lovers and future home of AHPBBFM
Stace's Home page
Tom's Homepage, one Killer 58 Ford soon to recieve a 440+ CI FE Ford
Alt.Hi-po.Big-block-Ford-Mercury 
David Cole's Ford Power Page
Lazer Cams out of Memphis Tennesse. The makers of my next cam :-)
Dysonracing.com The online home of Dyson Racing
Grand American Road Racing Assoc.
American Le Mans Series
Flatlander Racing
NMRA The National Mustang Racing Assoc.
Flatratetech.com
Pro5-0.com
FE Big Block forum
Dogg 302 Motorsports
Flex A form The makers of strong but light Fiberglass leaf springs
Genesis Custom Manufacturing coming soon, an all auluminum FE Block
Mustangsandmore.com The Home for Ford and Mustangs lovers on line
Ted's 68 Mustang Bracket racer
Pulp racing Home of the NSX files
Corner Carvers
68 Mustangs

More coming!