Geometry correction is in the plan. In the beginning I'm going to try to adhere to the KISS principle where I can to reduce the number of potential problems. I'll start with a good set of 273 adjustable rockers and then see what difference a PRW 1.6 rocker will make. I was considering machining the shaft bases flat and making offset blocks optimized for each set once it is running well. Other than comitting the head to that setup, I don't see a down side? In my mind's eye it would be a more stable setup and making blocks is pretty simple once you know your offset. If there is room, I thought a pin or two from the block to the head would help stabilize the base. Would do same to the ProMaxx's that will be waiting in the wings. The guy that did some chassis/body work for me that was too big to handle, has a chassis dyno and I'm going to see if I can work out a deal with him to evaluate performance after each major change. Car will be street driven so that will limit how hairy a cam I can get to, but I do plan to spin it up and realize that will take more than the stock parts to live at the higher rpm range. Keeping the stock valves in these heads will allow me to put a little more $$ towards better stuff for the next set of heads.
I'm writing this without while at work without the heads in front of me so I'm at a bit of disadvantage visualizing how much room there is. I'll be pulling them down soon to check them out and then can measure spring heights, retainer clearance and such.
