Any idea the year of the engine? Casting numbers should give you some help with determining that. Honestly, unless it something unusual like a Mexican block, they are so plentiful that you probably are better off just scrapping it. Earlier heads are worth more than mid-70's and later. E7 heads were worth a little more, but not much. If you can wait, you might look for engine rebuilder that would want it for a core. But that said, the last two I just threw on the trailer and hauled them in for scrap. The trans should bring a little more than scrap, but it may not be worth your trouble.