Best time to catch Richard is around 8am pacific time when they open (suggested by them). If you email, he will generally get back to you in a few days. Most of their work now is doing cnc 5 axis porting on chev LS7 heads. They still do the lotus heads by hand. Once you get him on the phone...
I would not dowel the bottom end. I am building a 907/912hc hybrid, and had thoughts of this too (since jhps seems to recommend this). Problems are created by doing this. First, after doweling, most of the time the main bearing surfaces will have to be line bored. If you are really lucky...
