Use a gasket, i install them dry. If you buy a new oil pump a gasket should be in the box but it may be all torn up from the pump moving around in the box. I enclosed my e-mail address, send me your name and address and i will get a couple of the gaskets in the mail to you, the gaskets are on me as i have a few here. Also welcome to the PY board. My e-mail is,
[email protected]