Changing Fan On Gtr To Thermo Fans?

[wingnut999]

how hard is it to do? the fan is so loud!! what brand thero fans?

sorry its a 32 gtr

Edited April 16, 2012 by wingnut999

[Simon-S14]

No..just no

[wingnut999]

so it cant be done?

[Hadouken]

It can.

Do a search, big thread about it.

[Simon-S14]

It can be done but total waste of time. Just fit a new fan hub

[kitto]

I agree with Simon.

[Shoota_77]

Can I ask why everyone is so against them?

They rob power from the engine so I'd be interested to know why everyone is against it?

[scotty nm35]

Thermo's rob power from the engine too, they are less efficient than the engine fan and suck a heap of current from the alternator whenever they are on.

If you set them at a high enough temperature so they barely come on you may be better off, that's my plan. One small thermo and one large one set at different temps may help too.

[blind_elk]

If you set them at a high enough temperature so they barely come on you may be better off,

That's how the are supposed to be set up. But very few actually set them up this way. Many set them so they are permanently on, which totally defeats the purpose - all that does is shift the load on the engine from the fan to the alternator.

The problem I had when I tried it (32 GTS4), was getting air to flow through the radiator while the car was moving. I could only JUST get airflow, and the slightest uphill in the road coud induce the fan to activate.

For the few kW gained by removing the load of the fan, it is not worth cooking an engine.

[51NNA]

So all the WRX's and many other cars that come from the factory with a thermo fan are going too cook there engines? lol...

[GTRsean]

Well those cars were designed by the manufacturer to use thermos as standard.

A working clutch fan such as the nissans will only draw engine power when at idle or just above, as they are supposed to taper off/decouple as RPM increases.

As they wear out they tend to stay engaged longer and start to sound like an EA falcooon.

[51NNA]

When they wear out they stop working i.e you can hold the fan while revving the engine when hot, the viscosity in the gel changes and with the correct type of battery the thermo wont put strain on the alt.

Edited April 17, 2012 by 51NNA

[abr33]

and with the correct type of battery the thermo wont put strain on the alt.

I beg to differ, it dont matter if your running an n70z or a ride on mower battery if your fan draws 30 amps your alternator needs to make 30 amps, it does however stop the alternator spiking as such.. Unless thats what you meant?

[gotRICE?]

So all the WRX's and many other cars that come from the factory with a thermo fan are going too cook there engines? lol...

You ever driven a Falcon? lol

A clutch fan on an E/W mounted engine wouldnt do much cooling now would it?

[51NNA]

I beg to differ, it dont matter if your running an n70z or a ride on mower battery if your fan draws 30 amps your alternator needs to make 30 amps, it does however stop the alternator spiking as such.. Unless thats what you meant?

Yes, i didnt mean the battery will stop the current draw, but with the correct battery the load would be reduced on the alt, unless the thermos constantly on.

You ever driven a Falcon? lol

A clutch fan on an E/W mounted engine wouldnt do much cooling now would it?

...were did i say "put a clutch fan on a wrx" All im saying is MOST cars come with thermos with no cooling issues and yes ive driven a falcon and worked on 100s, whats that got to do with anything?

[Bsa]

Get a new clutch fan they are best form if cooling for some Nissan engines. Nissan would of used thermos if it was a better option. But that's my opinion as I use a clutch fan over thermos any day

[abr33]

On this topic, is there anywhere to but new clutch and fan for rb25? nissan want 750 for it and im not spending that much ill go second hand first, my plastic fan has cracks and the clutch holds the fan on permanently and certainly makes some noise at 8000 revs :-/

[Rekin]

my 2cents on a r32 gtst

http://www.skylinesaustralia.com/forums/topic/341608-dual-12inch-thermo-fan-shroud/page__p__5520886__hl__thermofans__fromsearch__1#entry5520886

[Simon-S14]

On this topic, is there anywhere to but new clutch and fan for rb25? nissan want 750 for it and im not spending that much ill go second hand first, my plastic fan has cracks and the clutch holds the fan on permanently and certainly makes some noise at 8000 revs :-/

Garage 7 sell both the fans and the hubs at a much more reasonable price then that

www.garage7.com.au

[abr33]

Garage 7 sell both the fans and the hubs at a much more reasonable price then that

www.garage7.com.au

Cheers