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Electric cooling fan?


Crockett

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I was thinking of maybe fitting an electric cooling fan to my beast (Kenlowe or similar). Does anyone have any experiences or opinions of whether or not this is worthwhile?

My thought is that it might be useful when getting caught in traffic on hot days, when at present I usually have one eye on the temp gauge.

Also might it be best to fit it behind the radiator (in the engine compartment, sucking air in) or in front of it (pushing air in)?

Cheers
Daryl

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timbancroft61 wrote:
What condition is the radiator in?


Well it's original and I did notice that it's developed a small weeping along the top seam, so I grabbed a reconditioned unit to fit shortly.

That's partly why I wanted to get opinions on fitting an electric cooling fan as it probably makes sense to do this at the same time.

There look to be some reasonable ones on eBay (they are just fans alone without thermostats etc.,  but I can come up with my own circuit design for that, no problem [in fact already have]).

Cheers
Daryl.

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If the cooling system is in good condition, then an addition fan is really not neccesary (in the uk anyway!)

Even towing with mine, it never gets close to getting hot.

Before you fit your new rad, take the time to flush the block out thoroughly. Also, flush the heater matrix out, this makes a huge difference. If you remove the two hoses on the bulkhead going to the heater, you can jubilee clip a hosepipe on to the metal matrix pipes and flush out properly (swap a few times between the 2 to flush then back flush)

This, along with a good rad will be fine.

I always use a 74deg thermostat in mine (summer use car only) and it makes the temp gauge sit at 1/4.......... never moves.

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AlanChatterton wrote:
If the cooling system is in good condition, then an addition fan is really not neccesary (in the uk anyway!).


Thanks for the tips, especially about flushing the heater matrix, which hadn't occurred to me.

I was more considering perhaps replacing the standard fan with the electric unit rather than adding to it.

Cheers
Daryl.

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I fitted an electric fan with thermostat, not really to overcome cooling issues in the summer, but to help with overcooling issues of the fixed fan (71 Pi) in the cold winter temps as mine is my everyday car.  
Car now gets to temperature quicker, can put choke in earlier and the heater gets warmer quicker which is the most important!!
I fitted the biggest fan I could fit, I fitted a pusher in front of the rad.  I was sat in stationary traffic for 20 mins yesterday, the fan kicked in and out a few times and really brought the temp needle down quickly when it was working.
I fitted new hoses, thermostat and radiator and fan all at the same time (prompted by stone going through bottom of rad and coolant leaving at rate of knots !!), huge difference in colloing preformance was noticed.

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Just to say I agree with Alan. I run with the standard fan on my 2000 and the only time i've suffered from it getting hot in traffic was when I first got the car and it was running very re-tarded.

Never felt the need for an electric fan, especially as my engine is standard - it's just something else to go wrong. I like to keep things simple. :-)

Also, my fan is fixed. If yours is viscous, could it be the coupling is slipping too much?

Russell.

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Personal experience with 2000 types is that the cooling system does not have much headroom as designed. (IMHO less than other marques) They are OK when maintained but if there is any neglect or just the effect of age then watch the temp in those motorway holdups.

Practical Classics once published a period photo of a (1976?) motorway jam. There were several Mk2's sat on the hard shoulder in just that one shot and at that time cars had to be under 7 or 8 years old.

Good on Alan for showing how it can be done. Any internal polishing?

Cheers!

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