D8,yes it has a PCV system,no crankcase breathing problems I've used Detroit gaskets before, no problem.I wonder with the low volume of 261 gaskets, maybe there're made by the same company anyway.One nice thing about solid copper gaskets, they need no scrapping, just peel em off hang em on wall
I'm gonna spray several coats of Permatex copper sealer on the headgasket,see what happens.
