thanks for all of the replys, i have 9.5:1 srp's right now, this motor was meant for turbo that i am running right now, but i hve figured it out, I am too damn broke for a turbo. I will never do it. Anyhow about the heads, the b16 suposedly flows a little better, but has a little bigger cc in the actual head, which works great for me cause i am runnin a piston with a dome of 8.9 cc. Anyhow, the picture i have is too big supposedly so imma have to link it through wetoddid.