SPAL 0398 13" straight blade puller low profile 1032cfm slant six Why is increased flow so

Why is increased flow so important to cooling a hot Cadillac or Impala engine

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SPAL 0398 13" straight blade puller low profile 1032cfm slant six Why is increased flow soSPAL Part Number: 30100398 VA13 AP9 C 35A UPC: 816211020139 Fan CFM Range: 1,000 1,099 Maximum Fan CFM: 1,032 cfm Fan Quantity: Single Fan Diameter (in): 13. 000 in. Height (in): 13. 562 in. Width (in): 13. 562 in. Thickness (in): 2. 011 in. Number of Blades: 10 blades Blade Material: Plastic Blade Color: Black Shroud Color: Black Shroud Material: Plastic Air Conditioning Relay Included: No Mounting Brackets Included: No Mounting Hardware Included: No