Engine combo advice

Yeah, traction will be limited, but when the budget gets better, so will the parts. The car will be a weekend driver and not my son's primary transportation. I have told him, if he helps build it, he'll get to drive it. It has taught him to respect the car (he gets to know the amount of money going into it), and the labor spent. He has also been show graphic pictures and heard my stories of what young age, speed and alcohol mixed with a 3500 pound bullet can do. He's a good kid. Now, if I could get the wife to work on the car too...