I was curious if anyone has done this on a rotary, if so was it worth it? I was just surfing some vw stuff for buddy who bought my golf and it looks like we are going to itb it I was just like wow wonder if anyone tryed that on a rotary...

 

If you do a search with the term ITB you will find threads on this.

Here's 1 to get you started

https://www.rx7club.com/1st-generation-specific-1979-1985-18/itb-questions-449017/

 

dj55b did ITBs on his rebuild along with MegaSquirt. I personally think this is an excellent way to go FI on a 12A and a good start towards turbocharging if that's how one wishes to go later. Sam has a rather long thread on his build, it's a very interesting read.