[8D] Hey fellow Riders, I have a 1998 anv. FatBoy set up with stage II at this point of the ride. Im thinking about Big Boyz doing the porting, I like there concept of how heads should be set up. Has anyone here had work done by them or read about there work.

 

Try doing a search on it. There is a little buttonnear the top right of the page. I ran a search for you and this was the first thing to pop up. https://www.hdforums.com/m_239724/tm.htm

 

I have not had heads done by these guys but they are very well thought of on the www.*****************.
Look in the v twin:engine mods section you will find many articles either written about them.springer- is one of the guys from big boyz and he frequently posts.