I recently found out my 1993 100 CS Quattro has a cracked block. I have two questions: Are there any poplular engine swaps 2.7T, 5cyl Turbo, etc. And, where should I get a replacement motor? Thanks for any help!!

 

if anything id say you can try to do a 3B or AAN engine swap from a UrS4/S6 or 1990+ audi 200. itll basically be you building yourself a UrS4/S6. havent really seen a 2.7t or 1.8t swap, why dont you just JBWeld(or weld)the crack.