The twin exh. cam swap should in therory give you more top end power. But its also said to have too much over lap and its not the best method. There are alot of write ups on zilvia I think about one guy who did alot of testing with all sorts of oem cams.
__________________
Originally Posted by
Epstein
Either way you're required to do it Tampa style. $1500 kit still gets $4.99 rattle can paint job. Bonus points if you use 2 different colors of gray.