Should I make the swap to G3?

Everything you said is exactly my motivation. I'm guessing my motor is around 500HP, which I may not get with the small 5.7 displacement, but I think the eagle heads and a healthy cam will get me close. I'm not chasing a dyno number, but those eagle heads flow so much at lower lift, I'm sure the smaller displacement will be offset by this increased head flow.

I know you already have a G3, but if I was going to take the time and money to make the swap, it would be for an Eagle G3 only. Gives you the VVT option as well. Maybe you wouldn't use it, in which case it probably wouldn't matter. But I think a 5.7 with the 6.4 cam and intake (plus the required headers) would be close to 450 and would drive so nice. Put an SC on it after that if you want more. Just a thought.