I have never seen a Skunk2 ITR motor, but you really can't tell a Spoon ITR motor from any other one w/a yellow cover on it.

The Preludes like the '92 VTEC were very unpopular in Japan, and the usual "big names" didn't work on them very much.

I remember seeing Ichisima driving one, but I don't believe it was his own car. I seem to recollect that it was a Skunk tuner car.