http://www.youtube.com/watch?v=E6LKeMIeaUY

old and based off Kaido battle 2, but still interesting if you havent seen it, and it carried over to touge no densetsu with improvements.
lazer tracing courses, and orido and another D1 driver(can't remember his name) was involved

I want to add to this a bit...

Like rotary pointed out many other games can say they get input by two D1/JGTC drivers, Orido and Taniguchi...(translated version).

Drivers of this caliber should definitely have a good idea of how cars should feel in a racing game.

Just made this GRP Flash BBCode - based on the flash video from GRP's site. Enoy!

@rotary

Manabu Orido and Nobuteru Taniguchi was involved in the making of Kaido Battle 2. They were the Genki supervisors