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AL Head vs possible gas mileage, Nah 200

posted by  Jorrell on  Tue Mar 1 21:22 CST 2011
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last visit: Thu Dec 27 03:00 CST 2012
[RELATED]

I'll put my support behind Paul on this one. You just went through the pain of replacing a drive train, but you enjoyed it... go figure. If you continue this experiment, sooner or later you will destroy the new engine.

If you want to rid yourself of the parasitic drag of the mechanical cooling fan, remove the fan, go to the bone yard, and find a 940 or 960 with an electric fan assembly and thermostat on the engine side of the radiator. Note that the 9xx and 240 had the same radiator so it is a bolt-up job. You will have to add the thermostat, relay, and wiring to make it all work though it is only ever so slightly more efficient.

Keep in mind though that the energy to run the fan is still coming from the engine via the alternator and battery. Surprisingly though, the electric fan is slightly more efficient than the mechanical meat chopper on the front of the engine that came from the factory. Will you notice the difference in your gas mileage? I seriously doubt it unless your measurements are meticulous.

jorrell


--
92 245 307K miles, IPD'd to the hilt, 06 XC70, 00 Eclipse custom Turbo setup...currently taking names and kicking reputations!






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