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My experience was that the chain was so tight that it was easy to assemble with the cam gears one tooth too close. For me the CCT needed to be fully retracted. I used the method Tim illustrated above, expect I locked the CCT by c-clamping the the screwdriver to the frame. Really appreciate the info and prompt response. I was doing something similar with vise grips and a jewelers screwdriver but it kept backing out. Think I can scrape up tools per the photo!

On a similar subject - my 99 BB started making some valve noise at 22K. Tear down revealed I do have some clearances out of spec and I am just about to pull the cams. Question is does anyone know how critical it is to have the CCT fully applied using some form of "stopper tool"? Seems to me once the cams are removed the chain will be sloppy loose anyways and if it is for timing purposes during reassembly I can't imagine the chain stretching enough to where a person might be able to line all the marks up and be an entire tooth off?