I am about to put my water pump back together after putting a new seal in it. I have already got the impeller back where it goes. I am ready to put the gasket on and the outside plate.

My questions are:
1. Do I need to put anything in between the gasket and the housing/back plate?
2. Should I put locktite on the bras bolts that hold the plate on? If so, red or blue?
3. How much should I torque the screws for the back plate to?