Difference between revisions of "Mechanical to electric radiator fan"

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Latest revision as of 08:15, 9 July 2018

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Cars have used on-demand electric radiator fans for decades, but some trucks still have less efficient, belt-driven ones.

Aftermarket kits are available for many models, or you can retrofit a junkyard electric cooling fan from another vehicle.

Instructions for mod

Unbolt the belt driven fan

Mount the electric fan directly to the radiator and connect the power wires to the battery supply

User experiences

Two users

User data
User Name Car Make, Model, Year Cost of Mod Time to Perform Mod MPG Before Mod MPG After Mod MPG improvement guess Instruction Link
ecoTruck 10.5% engine load 9.0% engine load 14% Is an Electric fan conversion worth it? My testing procedure
oil pan 4 1984 diesel suburban $140 2 days 19.8 22 +2.2mpg combind city and highway N/A
Slow S10 1988 S10 $10 1 day 14.5 18 +3.5MPG or about +20% N/A

Problems / Consequences of mod

Electric fans normally do not have the air moving power of a belt driven fan. To many or too much electric fan can drain power from the electrical system and may require an alternator up grade if you have to run the fans a lot. Engine cranks over faster, runs quieter with out the belt driven fan beating air all the time and the engine warms up 2 to 3 minutes faster for me. When running 2 or 3 electric fans on a car or truck you dont have one single point of failure such as the thermal clutch.


Forum thread links

Electric vs. belt driven cooling fan

Is an Electric fan conversion worth it? My testing procedure

Modding the "S" trucks

External links