No spacers between the fan and water pump pulley. In fact, I had the machine shop enlarge the center hole in the fan so that it sits flush against the pulley, as the stock center hole was only large enough for the smaller part of the water pump shaft. Fan is 16” tip to tip, P/N D4ZE-8600 AA. Think I got that part number from some of your notes. You can see in the pics that the tips of each blade curve out just a bit. That’s the part that caused the problems for me. I plan on reducing that curl a bit with a hammer and dolly, and maybe grinding an additional 1/4” off, which I think will easily get me 1/2”, if not more, clearance.I'm really puzzled. You should have at least 3/4" and more many be up to 1" full clearance between the fan and the radiator.
How did you have the fan mounted? Any spacers? You mentioned (I believe) the fan had edges turned at an angle of the tips? Were they pointing toward the engine or the radiator??
What is the diameter of the fan blades?
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