This is my list of known MOTORMAX castings that represent Japanese vehicles.

July 2 2016 - ​ if you think I've missed something, please let me know.

MOTOR MAX 
6010 - 1999 Toyota Land Cruiser Cygnus / Lexus LX450
6011 - 1999 Toyota Celica
6012 - 1998 Toyota Supra
6014 - 1998 Toyota Corolla
6015 - 1999 Toyota Camry
6022 - 1998 Toyota Hiace Van
6023 - 1999 Mazda RX7
6024 - 1996 Mazda MX-5 Miata
6028 - 2000 Nissan Skyline GTR
6029 - 1998 Nissan 300 ZX
6053 - 2001 Toyota Tacoma Xtra Cab Pickup
6060 - 1996 Honda / Acura NSX
6064 - 2001 Lexus LS 430
6151 - 1975 Honda Civic