55.2-59 mercedes C class engine cooling fan

[56 3100]

anyone use one of these? I found some interesting info on using mercedes C class engine cooling fan .
https://board.moparts.org/ubbthreads...-w-photos.html
its reported that they move a serious amount of air and are 18" dia vs 15"-16" for volvo so a gain in sq .in area.I found 2 at u pull auto salvage $60.00 each. here is my cold case rad with fan shroud trimmmed from 26" to 22". fan is
2 3/4" thick with front plastic trimmed down some slightly.need to make some mounting brakets. have controller ariving this week to bench test fan.
mercedes fan:

volvo fan:

volvo fan was to thick to work with bbc and short water pump. as i needed under 3 3/4" for clearence.