Originally Posted by JARblue

I never had an oil pressure gauge to monitor engine oil pressure. And the Z has never driven anything other than wonderfully.

But it is in the shop for some maintenance, one of which is the gallery gaskets - I bought the EPS kit. With 105K daily driven miles (bought new), this is all that remains of my upper oil gallery gasket, with the exception of a few small bits that fell off during removal. The gasket material is cardboard.