I could prolly get 10Ks from my red one easily, everything on it or in it has been replaced except 2 u-joints on the drivers side halfshaft...and it's beat the hell up and it survived my driving(less a door)all it needs is some body work a decent paintjob and it could get 12-13Ks...hell, the motor only has less than 1200 miles on it, and I got a new adjustable FPR to finish the stage 3 build up....
Stage one was stock, Stage 2 was the first attemp to perfect the car with a full swap, and then stage 3 was a new motor after I blew the last one. Next stage, retire it(maybe), fic all the rust on it, have a real shop fab up the fraimrails and floor pans, and paint.
The newer white Z, has been used more than a $2 whore, but its survived 7 years of road racing, a summer of a street racing, and it's survived me playing with it around the block....it needs work, I can't decide if to move everything over to the red Z, keep it on that Z, and have the body work done to it, or find another frame to swap everything over to....I could prolly part it out and get more than I will put into it...it might be in the $5Ks area.