You're in excellent hands with Abbo - let me know if you want to use any of my Diablo as a base, what's mine is yours. (I have no idea how much of it would be valid.)
Thanks for the offer! Unfortunately in regards to physics, the GT1 Diablo was made completely from scratch by SAT. Only the engine was made by Lamborghini in fact. And even then SAT completely changed it. But if we need anything, I’ll shoot you a message!
This article describes the story wonderfully:
Kaiju Castaway - 1997 Lamborghini Diablo GT1 — Carmrades
Using the standard 5.7L unit as a base, Lamborghini enlarged the stroke, fitted strengthened internals, lightened the block and developed an improved injection system for a 135 horsepower gain. The 6.0L, 60 degree V12 now managed to churn out 655 horsepower at an ear-splitting 7500 rpm, and 686 Nm (
www.carmrades-blog.com
I am actually preparing an audio recorded version of the article for Youtube myself to teach more about this amazing story, not that anyone would watch it but still