It will definitely see dyno tuning time after these changes. I have a baseline for power and rpm. I plan to dyno it with both carbs, and then play with cam timing after that, advanced, retarded 2 degrees, and see what it likes and go from there.
My carb has always been deficient, ok at best. The carb to me is worth it.
The headers, my engine builder says it will like the 2.125" vs. 2" TTI's and claims i'll see 10-20 hp from that change. My hope is, maybe they fit better since they were designed for RMS suspension.
I'm a little limited as to what I can actually change with this engine. I'm not changing heads, or intake. They are a matched pair, max ported by Jim Laroy, the last pair he made.
I could change the cam... I've considered that.