First time I've seen anyone do this, pretty good idea so long as they don't leave it up too long in the hot sun. It might warp. Better this hood prop than the hood hinges with springs, they bowed the hoods along the middle with the springs trying to push them up constantly
trivia I read and posted was that the first supercharged V8 was a factory experiment 285 cu in that went into this, or another, Tom Cobbs dry lakebeds race car