Vintage Pontiac Raditor Fan Upgrade
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Replacing the factory 7-blade fan and clutch fan is a SPAL 16-inch electric puller fan (PN 30102047, retail $157.95), a 185-degree thermo switch, and a wiring harness (PN 185FH, retail $55.95). Once the fan and electronics were installed, the fan engaged automatically when the coolant temperatures reached 185 degrees, then cycled off when temps dropped to 175. View Related Article
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