Your questions are just getting sillier and sillier.
You can fit any engine in any car if you have the money to pay for it and insure it.
I think your best bet is to go to a top tuning company and get them to replace your rear seats with, say, a 7 litre V8, Uprate your brakes, suspension, tyres and wheels, you should get change out of �50,000 after paying for your insurance.