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Hi mechtech2, Regarding the installation of a "catch can", I can't see how that is possible in this PCV design. The porting is all internal to the lower aluminum intake manifold and the upper plastic plenum. I suppose it is possible to replumb a new PCV circuit similar to the older V8 ones...

Hi, 1) Subject = '95 Olds, 3800, Series II engine. 2) Last fall I changed the lower intake manifold gasket at 70,000 miles. 3) I noted two oil pool; one on the passangers side, back corner, and the other on the drivers side front corner. I changed the plenum gasket, but not the plenum. 4)...