Hey i am 16 and have a friends willing to sell his 1991 300zxtt. I have a few questions like being that old is it going to be reliable and what will i have to do to keep it running. its going for 9 grand and i know its in great shape for its age. and i was also wondering where should i start with mods. i have a good 5 grand to put into it...but i have no idea what do do with it. thank you for your help!