Good Morning Everyone!

So this baby has been sitting in my dads back yard for a good 20 years now, its very solid and has a corvette 327 in it. I want to get her up and running to screw around with at the cabin this summer. Up here in MN finding a decent box seems nearly impossible. Does anyone have any ideas on how a different generation box might work and not look too ridiculous? There is a decent Mazda SE-5 box nearby that I was considering, waiting to do some measuring to see how that might work. Not looking for anything perfect, I plan on running into things on occasion.

THANKS!