Vehicle & Technical > Discovery

Cheap alternative for a Kenlow fan (with pics)

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Tel:
ive got 2 astra fans on mine, revotec do a fan controller you measure the top hose of your car then buy it in the size thats needed we do these at work if anyone wants any more info on them, ive done 2 now 1 on my rrc and 1 on my dads 300tdi defender both work a treat and with the revotec controller you can choose what temp you want your engine to run at before the fan kicks in just like the kenlowe

Boddle:

--- Quote from: Range Rover Blues on January 14, 2009, 00:21:54 ---It's not a bad idea to keep it inside the original housing as it will be a tad more efficient but also it will pull air through the intercooler.  I wonder if removing the viscous fan means the intercooler doesn't get enough air any more :-k

--- End quote ---
I have though about converting myself due me liking water and viscous fans not, But I not so far as I have though would effect the intercooler.

--- Quote from: stageonesimmo on January 14, 2009, 10:51:27 ---  One way of stopping that is to constantly power the fan on that side, noisey, but as they are wired to the second battery.

--- End quote ---

 Why? if you are going to run a fan all the time you will find the viscous more efficient, of cause has been designed by the manufacture for optimum cooling and possibly quieter.

Range Rover Blues:

--- Quote from: stageonesimmo on January 14, 2009, 10:51:27 --- I've noticed a slight drop off in performance
Mmmmm, I think I feel some tinkering coming on.........

--- End quote ---

I fitted the intercoooler and electric fan the same week, so all I can say is I didn't notice it get any quicker.  That said the pump was already tweeked by a previous owner so I'm trying to stop it smoking and I htink it's better.

Anyhoo, I'm thinking that he viscous fan creates a constant pull through the intercooler, even when you are stood or running in low box, so i though of sticking a small electric in the gap vacated by the old intercooler to pull air through the gap and connecting it to the throttle linkage, yo only need the intercooler at high throttle after all and if the fan runs all the ti e I might as well have left the viscous on.

I also need to attend to the baffling behind the rad htough as I think the air escapes rather than get pushed through the intercooler.

discorich:
Just a quick question as there seems to be a few people that have done this here.
I have a 200tdi still standard (engine wise anyway) it I removed the viscus fan and fitted one of the pre mentioned fans then i wouldnt have a problem with perfomace, i dont do many road miles and most of the discos life is spent in mud and low box. Also i guess if i got a electric fan it would be worth wiring it up to something like a x switch to control it, thus meaning faster heat up and possibly on a isolator switch so that when in deep water it could be turned off.

Would the same also apply to a 3.5 V8, my mate has got one and wants to play in water, thus i mentioned this post as a solution to the fan throwing water over the electrics.

Hope you some of you can answer my questions.

crazymac:
discorich, yes, removing the viscous fan will improve your warm up time, but if I was spending a lot of time off road then I woul be tempted to leave as is!!

I removed my viscous fan nearly 3 years ago and the only time my temp rises is when off road. I didn't replace mine with an electric fan as such! I had aircon which I removed including the aircon rad in front of the main rad, but I left the aircon fans and electrics in place. The discovery with aircon has  built in safety to the aircon fans, in that if the engine temp rises above 3 quarters then the aircon fans kick in to assist the viscous unit, so with no aircon rad and viscous fan this works well in bringing the temp back down. Yes an isolater would be a good idea.

Yes your mates V8 would benefit from the leccy fan and isolater.

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