Newbie: Where to find parts

[87rusty]

hey guys just picked up a 87 corolla coupe gts for 300 bucks and I had been trying to get into drifting so it came at a perfect time. The car is rough but it runs well only had 115k on it. No body damage just normal rust.
Anyways just need some help, this is going to be a summer to summer project. Im gutting everything, repairing rust, stitch welding what I can. just trying to do things right the first time around. Want to build just a nice drift car.
What are you guys using as far as suspension and where are you finding it for these cars. And where are you finding rebuild stuff for like the engines and trannys and rears. Any help would be awesome thanks