seriously doe, speak to Tao from hypergear and ask him about it.
He recently made 2 custom turbo's for Cat's LS1TT that makes huge power and they are right on the money
Say $100k, its a pittance to tattersals.... I dont think they'd choose the negative press over it.
Especially if it was a legit purchased ticket and a kid had done it or something.
Just do an engine conversion.
With the right mix of ethnically diverse, enthusiastic young men and 1 woman it will only take you 1 night.
I would suggest a couple of SR20's, although they do pull a premium this close to vicdrift