hey man. i actually did it already, using the original
park fuzz as the model. supposedly the only difference is that the transistors in the earthquaker version are known to be AC125s. I know you're having some issues with PNP builds, but what you can do is build one of the layouts i did with an on board inverter. this way you just treat it like a regular NPN device. should make your life a lot easier.
don't forget to use the search function on the forum. there have been so many pedals done in the contributions section what you may want could be there.