I mocked up the Ford fan on my 64 Tempest with a Champion 4 row radiator and it is too deep. It touches the water pump bolts. Its a 455 with 11 bolt pump. I could trim the fan shroud down but the blade gets too close to the fins. I am still using the clutch and 19" fan. The original shroud for 64's with AC are steel, not plastic.
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