i found a 90 teg thats smushed to nothing (In the front) and i want to put the rear discs on my 90 civic si. i found this website that tells me mostly what i need except i thought i had to use the booster and master cylender off the teg .do i if i'm using the stock discs on the front of my si?and what is everyone talking about the e brake lines too short or something thx

this is what i found.
http://fourthgenhatch.net/reardiscswap.html