The F40 is a twin turbo v8 from the factory. Its a true sequential turbo setup where one turbo is bigger then the other. This helped reduce lag and with only a 3 liter v-8 not a bad idea. You could get factory upgrades that upped the power from almost 500hp to over 750hp with differnt cams and more boost/new tune. It is a sweet ride thats for sure. http://en.wikipedia.org/wiki/Ferrari_F40
~John
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Moon taxi: 9.45@156.9 mph 41psi 2011... Letting people down sense 2012.
Yup, I remember reading about a guy that would take his F40 to hillclimb/road racing events, and the *only* tool he would bring with him was one allen wrench--he used it to adjust the boost pressure