Commercial time: the Hoshino twins drive Silvias!
Back in 1982 Kazuyoshi Hoshino was the star of the Grand Championships around Japan: he both competed within the long distance Group C races and also in the more popular Group 5 (aka Super Silhouette) races where he drove his Hoshino Impul Silvia:
Two races on the same day: isn’t that a bit too much for a man?
Now this advertisement from 1982 shows you how he pulled off that trick:
Apparently he just had his twin brother stand in!
Direct link to video: 1982 NISSAN SILVIA Ad