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Old 09-12-2019, 06:37 AM   #1 (permalink)
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engine cooling on a snow wheeler

currently building a buggy/cabtruck and wondering about rad location

rear mount would give me the biggest rad but im concerned about when moving slowly along is the fans going too be running constantly too keep it cool?

front mount is very limited for space, but would a large oil cooler make the difference?

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Old 09-12-2019, 06:40 AM   #2 (permalink)
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picture of said cabtruck/buggy thing


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Old 09-12-2019, 06:42 AM   #3 (permalink)
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Rear rad with fans running at all times should be fine.
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Old 09-12-2019, 06:49 AM   #4 (permalink)
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i guess my next question is do I want to rely on the fact that my fans would have to be running all the time? should I be adding a backup ?

as pictures show it pretty much a blank canvas just axles motor and cab suspension tacked in for mockup
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Old 09-12-2019, 07:34 AM   #5 (permalink)
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pipe the coolant through some aluminum tubing underneath and let the snow help your cooling system, just like a snowmobile.
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Old 09-12-2019, 10:03 AM   #6 (permalink)
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run the biggest rad in the back with good quality dual fan set up and you will have no issues. just make sure you do a good shroud so that the fans pull the air through the rad and not from around it.
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Old Yesterday, 06:53 AM   #7 (permalink)
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Quote:
Originally Posted by ironmangq View Post
pipe the coolant through some aluminum tubing underneath and let the snow help your cooling system, just like a snowmobile.
Yep. Can also make/buy a giant snowmobile style heat exchanger. Thick chunk of aluminum for a skid plate with square extrusion tubes welded to it. Or you can buy bulk extrusion. Weld it to skidplate with heat sink compound between exchanger and skidplate, or drill skid plate and do lots of plug welds.

https://crracingcanada.com/products/...=5726667046940

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As for "emergency" situations with a busted or non-running fan, if the rad is mounted horizonal you can shovel snow on it. Can even make a box to fill with snow on top of rad. We do this for snowmobiles when crossing glare ice lakes. The skid plate should naturally load itself with snow. Probably wouldn't even need the rad when in snow.

Either way, note that you will be making TONS of liquid water, which if in very cold conditions can freeze up causing issues. I doubt "sno mexico" gets 40 below like we get.
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Old Yesterday, 08:04 AM   #8 (permalink)
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I run a Griffin 14x16 I can look up the part number if you need it but with a mechanical fan I have zero cooling issues. What makes you think you need a huge radiator?
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Old Yesterday, 09:02 AM   #9 (permalink)
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I run a Griffin 14x16 I can look up the part number if you need it but with a mechanical fan I have zero cooling issues. What makes you think you need a huge radiator?


If your running a v8 with a 14x16 rad with no issues Iíll take that part number


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Old Yesterday, 09:06 AM   #10 (permalink)
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. I doubt "sno mexico" gets 40 below like we get.
Iím two hours from the Bc/Alaskan border




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Old Yesterday, 10:04 AM   #11 (permalink)
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If your running a v8 with a 14x16 rad with no issues Iíll take that part number


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My bad its 22x15.5

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