Radiators: Is 22" enough for 400 HP?

Here you go..... the Mopar PN is 2998324 for the shroud; not sure what it is off of... the PO got it. The corners have been hacked out some for the upper hose and down low on the opposite corner for a remote oil filter (not visible). There are some holes in the edge 'strips' of the rad that we enlarged, and put tinnerman nuts there, and just the right length of screws to hold it in place.

That actually looks pretty good! That's a slant 6 shroud flipped over. Are you using the trans cooler in the radiator? I'm curious if the fittings are blocked by the lower curved portion of the shroud.

Also, how tight is the shroud with the top and bottom tanks?