Will this leak??? Any Good???

I guess it will if you over tighten the pan.

Proper torque and installation procedure is the answer and make sure your bolt holes are not cupped from being too tight. You can repair the cupped holes with a small ball peen hammer and another hammer to strike it with on the edge of your work bench. While you are at it make sure the pan is not warped with a straight edge. Look up the proper torque number and don't exceed it.