1930 Tudor windshield frame help

[novaskilling]

I just installed a new wood header in my 30 tudor. I put the metal header cap on and am getting ready to install the windshield frame. I noticed though the the holes in the header cap don't fully cover the wood header or that the wood header isn't long enough. is this a common issue? Do you install the frame hinge screws on an angle into the header? Thanks Chris.