Quote:
Originally posted by Jack Olsen
No. At least on my car, the fan always helps. I run it all the time at the track. If I don't, my temps are higher.
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That statement, and the fact I had to park it on the side of I-5 on the return trip home and wait for it to cool after temps hit 250 while idling on the Grapevine (SigAlert shut down nearly all lanes) is reason enough to add a fan!
I think you are right about the wheel well being high pressure. It may explain why brake dust goes "out" and coats the wheel. It would work counterproductive to a forced-air-fed oil cooler.