I am getting a 89 celica supra, I was wondering if I stripped it all out if I can set it up with a v12? And what I would need to do. I want to strip the whole car and get it to only the body and get a new setup. What is the biggest engine do you all think I can get??

Seriously? If you want to go fast look into a small block Chevy.

My advise is do not take it down to nothing, 99% percent who do never finish them, work on as you go with it staying together, if you do not get it back together its worthless (another junk pile) and if you do strip all of it and do not finish it do not think afterwards you sell it for 10 grand because you spent a year on it and all this money time, not getting it complete your cost, your learning fees. Unfinished is 99% deduction. Buy a kit to install a stronger motor that is already tried and true and have parts for to do so and leave it together, or if want to turn it into a dirt track car sure take it apart and put a motor in a full roller tube chassis and sit the body on it. Otherwise keep 95 % together & complete.

Thank you engine creator for the advise and I wouldn't over price my car just because I lost my project. But still thank you. And F_O_R thank you as well.