Quote:
Originally Posted by dsraven
What about if you cut a small groove on the edge that fits against the box wall. That small divot would leave a gap that would look sorta natural and also be a drain that would pass water, tree needles, etc. I would recommend shooting some weld through primer into the void to prevent rust. High zinc.
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Before welding all the pieces together I spray weld thru primer on everything. Once I'm done painting everything I will run a long wand down the hole and spray 3m cavity wax really thoroughly. That will coat everything and protect it all from any moisture. The OEM's do this at the factory inside frame rails and such.