[cowtown]

If there's no documented rebuild or proof of miles, I'd be leery of that engine. But if it's a solid car and you want it, you can just price a possible rebuild/engine swap into the purchase price. If the seller won't work with you on adjusting the purchase price like this, you can walk away. This all assumes you won't mind working on the car (or paying to have it worked on) later.

If each cam chain cover had a tiny little copper oil line running to it, fastened by a banjo bolt, the tensioners are of the Carrera type. If not, they aren't.

Let us know how it turns out!