Kobayashi San, the owner of MCR has confirmed the time of 1:01:9 driven by Keiichi Tsuchiya on Tsukuba. Remember that car was not altered and was driving in standard spec.
I congratulate MCR with this win and spectacular time, now it is time for Mine’s to post an even faster time on the track.
Here you see Keiichi just before his record run on the Tsukuba track