Flathead block dimensions

[Fox Valley Hot Rods]

Can someone help me out? My computer crashed and I lost a bunch of information!!! I used to have a mechanical drawing of the front of a flathead engine that had all the internal dimensions on it and such, does any one have some good pictures like this?

Specifically I'm in need of the dimension from cam c/l to crank c/l???

Any help MUCH MUCH appreciated