First project : First Landy!

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I had all of that - Kenlow 16", two settings X-Eng thermoswitch in bottom hose, warning light and override switch but the temp gauge still fluctuated and got hot enough to switch the fans on in slow stop start traffic. Mind you a single fan may not have been enough but it came with the Landy.
With the viscous it gets to running temp and stays there - within a few degrees - whether I'm cruising, in traffic or belting it along.

Matter of choice really, the viscous v electric fan debate is endless :rolleyes: (but LR did fit them as standard for some reason).

Mine came fitted as well...but the 101 is a whole lot different engine fit...came with the fan shroud and viscous fan lying in the back though...
 
Diesels do run cooler than petrol but I'd still have a viscous over an electric fan.

My V8 had an electric fan and proper plumbed in thermostatic switch for the fan and the temp went up down like a whore's knickers as it heated up then fan kicked in and cooled down. I used to drive with one eye on the gauge the whole time.

I replaced it with a viscous fan and shroud and the temp stays at a steady low 80s. I like the concept of constant cooling rather than heating and cooling especially on an aluminium engine. Fitting an electric fan means more relays, switches, heavy duty wiring and possible failures.

I suggest fitting a proper temp gauge either electric or even better capillary and get an actual temperature reading rather than a vague guide. Mine's a VDU electric and I can see when the stat opens!

i went back to viscous for exacrly this reason.

I may have an electric fan mount by RDX I am willing to let go....
 
Shamelessly stolen off google
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A viscous fan is constantly self regulating without any electrical input. They do very occasionally fail but are much more reliable than an electrical fan
 
I have been told less drag on the engine without the VCU gives slightly better fuel consumption with an electric fan fitted instead.
Not tried it myself but didn’t notice any increase in consumption when I tried that constant lock unit that one time?

Changing a fan on a brick shaped vehicle with the running gear of a defender I dought would show a fuel saving that you would notice...
 
I have been told less drag on the engine without the VCU gives slightly better fuel consumption with an electric fan fitted instead.
Not tried it myself but didn’t notice any increase in consumption when I tried that constant lock unit that one time?

I've read that electric fans give better fuel economy, quicker warm ups, and make driving quieter but I did not notice any appreciable difference on my V8.
 
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