This was discussed on the old FE forum. I do recall that the universal cross flows are quite a bit shorter than the stock rad.
https://www.tapatalk.com/groups/febigblockold/viewtopic.php?f=21142&t=2478&p=15696&hilit=griffin#p15696
Been busy building an airbox so the boss scoop is functional and engine can have clean air, taken a while, still needs painting just trying to decide either silver or black? And finished the gauges