Corvette C6 2005 Quick Question?

[XBOX360GAMER]

I am 16 in a half I turn 17 in July and I have 2 jobs and bring about $450 dollars a week like in my hand cash and I am saving that up in till I am 18 then I want to buy a used corvette C6 2005 i have found plenty for about around 26,500-28,000 used I have 2,500 saved up I really want a corvette and could I convert a C5 into a C6 in a year I would have around 21,600 if I don't spend any of it and with the 2,500 saved up already and I'm not even 17 so when I do turn 17 this money I already have plus the money after a year I am looking at about 28,000 I have been driving since I was 15 and I am still driving so don't say don't get a corvette to much power AND I already drove a corvette my grandma friend has a maroon c6 and he let me drive it with him in it of course and not for more than 3 minutes so yea any suggestions THANKS