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R33 Thermo Fan Help

honan

By honan,
in Engines & Forced Induction

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honan Collaborator

honan

Posted
Posted

So while changing my rad and hoses and installing a greddy style plenum I noticed my clutch fan is cracked in 15-20 spots at least.

I don't want to run the risk of it flying apart and have decided to install thermos. Wiring isnt a problem at all but i was told to use ef/el falcon fans.

I have changed the way the high pressure power steering line is run to get that out of the way but the fan motor is way to close to the belts and pulleys for my liking.

Wondering if maybe ford mondeo's are a better option or any other tips and tricks to make them fit?

Photos if possible would be great.

Thanks guys

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https://www.sau.com.au/forums/topic/381202-r33-thermo-fan-help/
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Dale FZ1 Veteran

Dale FZ1

Posted
Posted

The Falcon fan/shroud assembly needs to be trimmed by about 25mm, and some simple angle brackets made to mount it to the radiator. Not an exceedingly hard job for any competent sheet metal fabricator. You'll end up with about 10-15mm clearance between the fan motor and harmonic balancer, enough to get it all fitted in there nicely.

Dale FZ1 Veteran

Dale FZ1

Posted
Posted

The pulley, or the way the high pressure line runs forward? I re-jigged that hard line and everything worked out nicely. The front most section of the harmonic balancer is what drives the power steering, so they are in the same plane. If one is a cleanance problem, then so is the other. Either way, sounds like you're on the right track. Modify the shroud, wire up the fans and alter the power steering line; away you go.

I can't say at this stage whether running thermos is warranted, or even better than the OE mechanical fan. It certainly works, but the sheer electrical drain means the alternator works harder so you still get parasitic losses to counteract much of the gain through deleting the mechanical fan.

No doubt there are plenty of opinions out there.

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