I would replace the gasket, NAPA may have a thicker gasket. It's really not worth loosing your _COOL_ over, Most likely tightening won't do a thing but worry you wondering if it's going to leak worse and cause engine damage.
Originally Posted by piston slapper
You never learn anything until you admit you don't know it all...
"Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!