Toymods Car Club Inc: Tech & Conversions => Clutch Fan vs Thermos

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ed_ma61
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Re: Clutch Fan vs Thermos	Mon, 17 March 2003 10:54

ditto the comments by suprav8 but there are advantages and disadvantages of both, and youll have to balance out your desires/requirements and available options. imho- factory clutch fan and shroud good for 'normal' driving. provides a good compromise for through-flow at higher speeds, and effective cooling for longer stationary periods etc... factory clutch fan WITHOUT shroud is very good at cooling at high speeds (no shroud to restrict through-flow) but does rob a little power from the engine at such speeds (unless the clutch is completely cactus). without shroud in traffic is a little worse, but probably still manageable if the cooling system is in good nick. good quality thermos with modern blade design allow decent through-flow at high speeds, and they will be 'off' at these temps too, so no load through the alternator. in traffic, they add load, and dont pull as much air, so engine will get hotter, but still manageable, again, as long as cooling system is in good order (and youve got a decent sized fan or 2). so, your choice, do you drive fast a lot of the time, want the few extra horses released from the engine, and get suck in traffic only occasionally? or is fast driving only on occasions, and good cooling required in stationary traffic for decent periods? cheers ed [Report message to a moderator]

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