i dont mean to hijack, but im looking to do the SAME thing
except, i was planning on getting Delta cam grinds for my SOHC, and i was going to use the stock EJ257 springs and retainers in my SOHC heads for a 7k RPM rev limit?
from what i gather from this thread tho, i should also machine my heads for bigger valve openings?
@ cdnsigop: i was wondering what type of ECU u were using. u said u wanted to keep costs down, and so do i (lol)