A Twig Posted October 8, 2007 Share Posted October 8, 2007 How much of an improvement in fuel economy etc do you actually get when upgrading from a standard viscous (spelling?) fan? I keep seeing all these adverts raving about how wonderful they are... Quote Link to comment Share on other sites More sharing options...
goaty Posted October 8, 2007 Share Posted October 8, 2007 havent noticed any difference, i just did it so mine would warm up wuicker and it sure does. Hasn't had to run yet but i sometimes use it off road when the rad is wet to clear steam away from my windscreen Quote Link to comment Share on other sites More sharing options...
BigSi110 Posted October 9, 2007 Share Posted October 9, 2007 I'd agree. What gains there may be are negligible - at least that's my experience on a 300Tdi 110. Throttle response is better though and that's worth the change, if nothing else. Not having a fan running when wading is another big benefit if you wire it through a 2-way switch. Quote Link to comment Share on other sites More sharing options...
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