Not Ranked
I just saw the video above. In my opinion, the engine fan is too far away from the radiator to make a shroud practical. As it sits now, it's doing nothing. Even if you did build a big elaborate shroud, you don't want all those shroud walls boxing off valuable space in the engine compartment making it hard to work on. I would put the big electric puller on it and enjoy the freedom of being able to service the front of the engine. There are no reliability problems with OEM electric fan designs these days. My daily driver has 230K miles on it, the climate control is always on auto, and the fan is always on. No issues.
Additionally, that garage fan is not a pressure blower. Most likely, very little air is actually going through the radiator; it's going around it or just swirling inside the fan housing.
Try the lincoln fan. If you're not amazed, return it. One advantage to amazon.
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