I'm after everyones pro's and con's on putting a 20 valve silver top head on to a 4AGZE block that is running evo4 mitsubishi turbo . Some people say yeah go for it other say keep the 16v head , so i would like everyones imput on this please.
Cheers, Shane.
P.S. if this topic has already been talked about i did do a forums search and it came up with no results .