AE86 related:
AEU86 dot ORG: European website/forum for AE86 owners.
AE86.nl: Dutch website with AE86 info.
Racer86's weblog: Another Minkara fan!
Impulse
Club4AG: US website/forum for 4AGE owners.

Carina related:
Revolverdrift: Malaysian blog maintained by gsrturbo featuring an AA63 Carina.
Mikko K's GT-T conversion: Finish guy owning a TA60 coupe converted to TA63.
Original GT-T conversion: This is the page of the previous owner of Mikko K's car and did actual conversion.
????: Japanese blog by Shingo. Can't read a thing, but I do see some really nice pics there!
Carina and Corona catalogues: Japanese site with all Carina and Corona catalogues scanned!

JDM news and blogs:
auto-otaku.com: blog about JDM cars. (for otakus who love cars!)
Tune86: FT-86 concept news/forum
Hashiriya Exports
Sideways.cz
FakeWheels.com
Don's Gallery: JDM 80s and 90s car shop

Other:
Model Direct: sells (almost) all Tamiya models
Rinkya: Order anything from Auctions.yahoo.co.jp!