Electric fan help - S-10 Forum
 
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post #1 of 15 Old 04-19-2017, 10:23 AM Thread Starter
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Electric fan help

hey all,

while waiting for some components for my fuel system, Im moving on with the next item on the mod list.

Im about to install a electric fan and I have a few questions. opinions welcome too
.
mount on the front or back of the radiator?
wire it up for push or pull?
where can I find a spot on motor to bolt my new thermostat in?

friendly regards,
Ryan


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post #2 of 15 Old 04-19-2017, 11:38 AM
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Re: Electric fan help

Engine side of the radiator with a shroud is the best. What kind of thermostat are you talking about? Is it part of a controller kit?
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post #3 of 15 Old 04-19-2017, 11:43 AM Thread Starter
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Re: Electric fan help

my original idea was to put them on the front wired to push, to keep more space under the hood.

yess the thermostat is part of a controller kit, switches on at 185 and off at 170.

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post #4 of 15 Old 04-19-2017, 01:10 PM
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Re: Electric fan help

I used a fixed thermostat 185 on 195 off and tee'd off the temp sender pipe. I also agree mount them engine side for pullers. There is still plenty of room. I have the dual fan dual speed Ford Contour fans and they fit like a glove and work excellent.

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post #5 of 15 Old 04-19-2017, 02:09 PM
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Re: Electric fan help

the reason why the back side (a puller) is better than the front side (pusher) is because the fan is only used in low speed or stopped traffic situations, at speed the airflow through the radiator is higher than the fan could provide, and mounting it on the front side blocks airflow. lots of cars and trucks have an electric fan on the front because it is acting more on the ac condensor than the radiator, more have them pulling on the back side though.

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post #6 of 15 Old 04-19-2017, 02:23 PM Thread Starter
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Re: Electric fan help

the reason the idea popped up to put them on the front is because last night during a drinking and smoking spree, the idea of dropping in a line 6 engine came up as I have have one or two gathering dust in the shed.

these fans are 10" universal, is hard to find American cars at the junkyard here or ordering the parts for them at the autostore not to mention the prices they charge.

wont be putting the shroud back, as I have a DIY air intake for it

tomorrow I'm receiving my new radiator, so I will be installing the lot, will post some pics here on the weekend

thnx for the input guys.
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post #7 of 15 Old 04-20-2017, 08:28 AM
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Re: Electric fan help

On at 185 is way too early. The thermostat doesn't even open up until 195. Fans don't need to kick in until around 210.




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post #8 of 15 Old 04-20-2017, 09:10 AM
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Re: Electric fan help

^^^^^^^^^^ agreed ...........mine is on 210 / off 180 ...

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post #9 of 15 Old 04-20-2017, 09:51 AM Thread Starter
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Re: Electric fan help

cheers for the thermostat info, I have just ordered a new one.
for the time being I will install the 185 one.

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post #10 of 15 Old 04-20-2017, 11:56 AM
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Re: Electric fan help

Quote:
Originally Posted by manbearpig View Post
On at 185 is way too early. The thermostat doesn't even open up until 195. Fans don't need to kick in until around 210.
This is true if you have a stock thermostat. I put a 180 in mine and the fan goes on at 200, off at 190. At cruise the temp sits at 180.
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post #11 of 15 Old 04-20-2017, 12:54 PM
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Re: Electric fan help

There's no benefit to using a 180 thermostat. The computer is programmed for the 195 and anything less is likely to cause overcooling. It will never reach operating temperature.




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post #12 of 15 Old 04-20-2017, 01:06 PM Thread Starter
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Re: Electric fan help

Quote:
Originally Posted by manbearpig View Post
There's no benefit to using a 180 thermostat. The computer is programmed for the 195 and anything less is likely to cause overcooling. It will never reach operating temperature.
what do you mean with the computer is programmed? the thermostat that controls the flow to radiator?

the new one will be on at 210 and off at 190.

just another question:
how much coolant will go into the system?

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post #13 of 15 Old 04-20-2017, 01:13 PM
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Re: Electric fan help

Yes, but the computer controls the air/fuel ratio using the engine temperature as a variable. The sensor needs to read a certain temperature to see that the engine is at operating temperature.




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post #14 of 15 Old 04-20-2017, 01:26 PM Thread Starter
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Re: Electric fan help

by the time the engine is at operating temp, the air/fuel ratio is controlled by an impco computer belonging to my lpg system

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post #15 of 15 Old 04-21-2017, 11:21 AM Thread Starter
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Re: Electric fan help

here some pics of my fans
forgot to order few new rubbers that the radiator sits in, so I found alternative ^^^


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