We lost the cam dowel on a test warmup, fortunately everything was still held together by the 3 loose cam bolts and we found the problem when checking the lash before running again. I got a new Chevy cam dowel which is 0.25", it's a tight fit in the cam. However the dowel hole in the Rodeck gear drive is 6.5mm and the hole in the distributor drive/pump drive spud is 7mm (drill shanks of those sizes are a good tight fit). My plan is to drill & ream both hub & cam to 7mm if the hub is not too hard. If it is, I will just ream the cam to 6.5mm. Then I will fit a dowel to suit, or a piece of a drill shank. I've been told the bolts need to be torqued to 45lbf.ft, which they probably were not. Has anyone else encountered the dowel size issue?