I m in the middle of preparing my track car i had a wagon but now have bought a saloon shell my wagon has the coil packs at the top and i no the engine that came out of the sti shell had the induvidual coils (if that makes sense dont really no much about this sort of thing big time novice) my engine is a wrx clasic and the shell is sti and i m going to be using all the sti wirring loom what sort of problems am i going to run into i am changing to a TD05 16g turbo if that helps. any advice would be truly welcome.