For those who don't do Facebook, there is a page (Hot Inline sixes) that has members from all over the world. There is some cool stuff showing up there.I'm posting a youtube vid from one of the page members from South America.If you have the time scroll thru the youtube vids, even though they're not in English you get the idea!! Enjoy Here's a 221 with a dual cam 4valve head
https://www.youtube.com/watch?v=IdPLmxckBdA

https://www.youtube.com/watch?v=IdPLmxckBdA