Big block cooling issues

So how do you install a one piece radiator shroud? The space between the radiator and blades is about 1/2 inch. I doubt I could get the fan off bolts out, then back in. Does the shroud bend? Mancini Racing Radiator Fan Shroud

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Every piece works in harmony. I really do not care what everyone else will tell you, I will be called out, and have been many times! You have to start basic!

Use “every” original BB piece and work forward. If like me, and you do this this, you will stop at basically the stock set-up + High flow pump and HF 185 stat and smile! Look at the 68/69 FSM and get the right parts! My car is an original 383S and bumped a bit.

I went down that road for no reason and spent many years and dollars being frustrated!

The HF pump and Milodon 185 stat + all stock are the best IMO!