dakota's rx7

iTrader: (9)

i have a 86 mazda rx7 n/a it hasnt ran in two years got it running. had to put a crap load of wd40 in the engine to free things up. now its smoking a ton. when i went to take off i found a big puddle of oil. in the road. it comming out the exhuast and its smoking really bad. what could it be. do i need to rebuild