Factions all around the world need a lot of work, but they're more time consuming and complex to get right than you could imagine. Getting the faction tables for cabilis correct took about 30 hours of dedicated time. Meanwhile, if you see something is wrong and have something to back that up, here's what a faction table looks like now.
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There's a lot to factor in. Base, race, class, and deity all add with each other. And whatever that places you at can be modified upward or downward by a maximum of 2000 in either direction. By all means, choose a faction and collect data. If you have a live account, you can get most of it by sending characters of varying class and deity combos at it systematically (2boxing an ench with project illusion helps you skip race). To pin down the exact values, you can find the faction hit that's easiest to reproduce, and repeat it until you've passed one complete faction level to determine the hit value. Shrouds can be used to collect difficult data on a single character and dump faction hits when done. Then, it's a simple system of equations to solve. If you get the data, I can do the math.