The AE86 and the FT-86 aren’t the only cars by Toyota that actually had the 86 designation in them: the Toyota 86C was a Group C racer by TOM’s featuring the infamous 4T-GTE engine (also to be found on the TA64 Toyota Celica rally car!).
This one lap of video is driven by Masanori Sekiya on the Fuji International Speedway in 1986:
I love the sound of the big ass turbo and the blow off valve! Amazing!