Fan shroud for aftermarket 26” radiator

I suggest you make a shroud . Measure your rad . From a metal supplier purchase a sheet of 6061-T6 aluminum .080" thick . Add channel aluminum wide enough to put the fan half way into the shroud cut hole in the sheet stock 1" larger than the diameter of the fan . You can pop rivet , bolt or heli-arc the frame to the radiator tabs for servicing . sounds complicated but it's cake .