Well a buddy of mine had a car setup like this, so i kinda cheated and used his to make a replica, but its not that hard to do. The hardest part was cutting the hole in the valve cover, because my friend used the upper cam instead of the lower like i did so i was flying blind on it. Just alot of micrometer work and some machine work. I could get you the dimensions on the dizzy as far as lenght and stuff, but as far as drilling the hole in the valve cover i just measured the center of the cam bolt down to the top of the timming cover and got the width measured and drilled a small hole to start to make sure i was even on the same track, after that i just gradually got bigger bits until i was close enough to finish it by hand sanding. The hole in the cover is really the hardest thing, I had to sets of valve covers just incase i screwed one set up lol, if you decide to do it like this it saves alot of money, im using 5.0 harness and computer also.