I think they are talking about US market engines here.
BMW Twin-Turbo 3.0-liter Inline-6
BMW 4.0-liter V-8
Ferrari 4.3-liter V-8
Ford Twin-Turbo 3.5-liter V-6
GM Supercharged 6.2-liter V-8
Honda 2.0-liter Inline-4
Lamborghini/Audi 5.2-liter V-10
Mercedes-Benz 6.2-liter V-8
Porsche 3.8-liter Flat-6
VW/Audi Turbo 2.0-liter Inline-4
What do you guys think? What would you put in there from European market cars?