I dont have shark tooth alloys but I have standard ones with st170 calipers and 300mm brakes and I had to grind alot of so it's the same principle..Link to my thread with pics..

https://passionford.com/forum/restorations-rebuilds-and-projects/418949-1-6cvh-nms-red-s2-project-fitting-a-t34-and-raising-the-boost-to-27psi.html

Thanks, Joe