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Fan and Pulley match/mismatch?
I have an original 914/6 case with a standard crank pulley running a 245mm fan inside a 930 106 102OR housing (this is from a 80-83 911 or 78-89 3.3 Turbo). The outer pully half is p/n 603-421-01-M260 (from a 69-73 911). Does this mix of parts create a problem with the innner and outer pulley surfaces ie..are they different in pitch? What belt should I be running 9.5x710 or 10x710... or 9.5x725 or 10x725? Wow..I hope someone can figure this one out.
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08 Cayenne V6
89 911 Targa Carrera 3.2
75 914-6 Conversion
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