Yes, there are baffles inside the cam covers. But if they were clogged, there would be no oil getting inside the intake tract. If they were clogged, then that would explain where your excessive crankcase pressure is coming from. I doubt yours are clogged seeing as the engine has been rebuilt, but it wouldn't surprise me if the person you bought it from didn't clean them before slapping them back on. You can't take the baffles apart, you can only spray brake cleaner in them. You should have seen the crap that came out of mine. There is a sticky in the FAQ's section from mrnickleye and I posted about cleaning the cam cover baffles.
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