89 g20

a friend is givin me a g20 i dont know much about em and i havnt seen it all i know is it has a 350 and its a 3/4 ton i was wonderin about options like could it have 4 wheel drive i doubt it but it is a 3/4 if any of ya could take some time and let me know about the rear end and trans it might have and such that be nice of ya

Red