Now working on the aftermarket SS hood. Fit was "pretty good" but work needed.
I keep reminding myself "I'm putting an aftermarket hood between aftermarket fenders, with aftermarket inner fenders and core support, against aftermarket door skins, which are lined up to aftermarket quarter skins."
It's a miracle any of this can be made to fit!
Turns out the fenders were just a fraction longer than stock.
All good except it left a huge gap between front of the hood and front header panel.
Picture doesn't really show it, but just over 1/4".
Solution? Lengthen the hood by ~ 1/8".
I welded 1/8" rod on the front edge, ground it pretty smooth and filled in pinholes/pits with All-Metal filler.
Getting very close...and managed to not warp it all over the place.
Now right at 3/16" which is GM spec.