Figure I would start this so we can put up rule sets and suggestions for possible GT6 Series and also keep a log / List of things for the future.
I will start
80's Japanese FR series
The list of cars
353 Mazda MX-5 (NA) 1989 17,000 Asia-Pacific Standard FR
353 Mazda MX-5 Miata (NA) 1989 17,000 Asia-Pacific Standard FR
358 Mazda Eunos Roadster (NA Special Package) 1989 17,000 Asia-Pacific Premium FR
359 Toyota SPRINTER TRUENO GT-APEX (AE86) 1983 15,360 Asia-Pacific Standard FR
359 Nissan SILVIA Q's (S13) 1988 15,560 Asia-Pacific Standard FR
360 Toyota COROLLA LEVIN GT-APEX (AE86) 1983 15,360 Asia-Pacific Standard FR
377 Mitsubishi Lancer EX 1800GSR IC Turbo 1983 26,790 Asia-Pacific Standard FR
389 Mazda RX-7 GT-Limited (FC, J) 1985 16,900 Asia-Pacific Standard FR
389 Mazda SAVANNA RX-7 GT-Limited (FC) 1985 16,900 Asia-Pacific Standard FR
392 Nissan SILVIA K's (S13) 1988 18,860 Asia-Pacific Standard FR
398 Nissan SKYLINE HT 2000 Turbo RS (R30) 1983 25,180 Asia-Pacific Standard FR
400 Nissan SKYLINE HT 2000 RS-X Turbo C (R30) 1984 27,750 Asia-Pacific Standard FR
400 Nissan SKYLINE GTS-R (R31) 1987 34,000 Asia-Pacific Standard FR
409 Nissan SKYLINE GTS-t Type M (R32) 1989 23,850 Asia-Pacific Standard FR
414 Nissan Fairlady Z 300ZX (Z31) 1983 32,000 Asia-Pacific Standard FR
429 Toyota SUPRA 3.0GT Turbo A 1988 40,510 Asia-Pacific Premium FR
439 Nissan 300ZX 2seater (Z32) 1989 39,500 Asia-Pacific Standard FR
440 Nissan Fairlady Z 300ZX TwinTurbo 2seater (Z32) 1989 39,500 Asia-Pacific Premium FR
Car Purchase price of $50,000 or less.
FR only (Front Engine Rear Drive).
430 PP
SM tires (Subject to more testing).
Full tuning with the 90% power limiter rule.
No Added Aero.