I have a 73 240Z engine you are welcome to for your build. I would set up and keep the original stock engine set aside in case you change your mind in the future.:

I probably won't change my mind...but i might run out of money, so then I would really be in a pickle. I'm about a month or so away from starting that part of the project, so I'll check back with you then, and if it is still available, I'll take it.