Oh dear God! 318 stroker
Before this goes off the rails because J Fag got involved, to the OP: Do it if you want to. It's your money, your project. Yes, what you want can absolutely be done. I have done it successfully. Because it's sentimental, cost and common sense be damned. There will be nay sayers. " Just do a 360 or a 340 or a 408 or a 390..... Blah, blah, blah....." Stay true.