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23rd February 2018, 08:20 PM
#1
G35 Fan Direction?
Hi Guys I installed the G35 fan and used the same direction of the original blade.
Now everyone has been telling me I have installed it backwards.
The G35 blades are opposite to factory?
Plus you have an "F" marker for front.
I totally ignored this because was trying to use common sense and follow the direction of the factory blade.
Sounds like I definately installed wrong which im fine with and will change but if the fan spins a certain way.
From an airflow point how does the blade being in the opposite direction create better airflow?
Dumb and curious I guess.
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23rd February 2018 08:20 PM
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23rd February 2018, 11:11 PM
#2
Patrol God
Fucken hell... Now you're going to make me go and check mine. I definitely went with the "F" to the front route.
My temps went up 1-2C after fan fitting. But I put it down to the viscious hub, having more drag due to a larger fan, and not coping. I bought some toyo oil to put in, but never ended up doing so.
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23rd February 2018, 11:23 PM
#3
Lol my car is cool around 72 degrees suburb cruising. Highway around 80 on a hot day. So even backwards fan it works..
This has me really confused
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23rd February 2018, 11:53 PM
#4
.........
Apologies gents, truly have no idea of these G35 fans under discussion.
An old proven trick for say blokes running elecy fans to check their polarity direction I believe is a sheet of A4 paper. Lowered between the donk and fan/s will prove a backward kite and or confetti machine :-(
Sent from my iPhone using Tapatalk
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24th February 2018, 08:22 AM
#5
Rotaredom
Originally Posted by
drgtr
From an airflow point how does the blade being in the opposite direction create better airflow?
Dumb and curious I guess.
Nothing dumb about it,
I'm lead 2 believe pull fans are more efficient, even more so with a cowling, push fans are less efficient but will still work
Time is never wasted when your wasted all the time
WARNING: Towballs used for recoveries can, and do kill people and damage property.
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24th February 2018, 09:31 AM
#6
Patrol God
No ifs and buts here... Just checked and rechecked using the excruciatingly complex paper trick and my F is to the front , and it pulls air through the radiator and onto the motor...
However !! What would happen if you swap the fan around...
Fins will still face same way and push air same way , but would the shape of those fins be more beneficial or would it make it worse ?
It is a prick of a c*** of a job to take the fan off on mine and swap it to se results.
Sent from Note 5 using TapaPro
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24th February 2018, 10:00 AM
#7
Patrol Freak
The G35 fan leads with the elbow and not with the tip of the blade like a stock TD42/TB45 fan
John
2001 GUII TI 4500 - Now converted to TD42T auto with Nomad valve body
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24th February 2018, 12:27 PM
#8
Some good answers here. Thanks guys appreciate them.
I just couldn't wrap my head around it.
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24th February 2018, 01:14 PM
#9
Originally Posted by
Hodge
No ifs and buts here... Just checked and rechecked using the excruciatingly complex paper trick and my F is to the front , and it pulls air through the radiator and onto the motor...
However !! What would happen if you swap the fan around...
Fins will still face same way and push air same way , but would the shape of those fins be more beneficial or would it make it worse ?
It is a prick of a c*** of a job to take the fan off on mine and swap it to se results.
Sent from Note 5 using TapaPro
Funny thing is when running backwards it stayed cool too
71 degrees cruising suburbs and around 83 degrees highway 110kmh
Changed it this morning.
F at the front
80 degrees highway 110kmh
72-73 degrees suburb cruising
though only difference today is 38 degrees c in Sydney where I am
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24th February 2018, 01:16 PM
#10
Originally Posted by
NissanGQ4.2
Nothing dumb about it,
I'm lead 2 believe pull fans are more efficient, even more so with a cowling, push fans are less efficient but will still work
Interesting . I might read up more. I have always thought blowing onto the radiator to push heat away like a fan on our body at home on a warm day
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