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Author Topic: Electric Cooling Fan Build  (Read 47482 times)

Offline VileZambonie

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Re: Electric Cooling fan
« Reply #45 on: January 19, 2012, 08:43:05 pm »
You mean the water pump pulley? Just shorter bolts
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Bitzer!

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Re: Electric Cooling fan
« Reply #46 on: January 20, 2012, 02:44:19 am »

I'm sure mine's got studs and nuts not bolts. I'll have to see if I can extract studs and replace with bolts then!

Cheers
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1979 GMC CrewCab  C20 1t
454 750 Holley,TH350, 14bolt diff fully floating
Why aren't there 8 days in a week!
A K5 rolling shell *new addition*

Offline VileZambonie

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Re: Electric Cooling fan
« Reply #47 on: January 25, 2012, 08:00:44 pm »
Just double nut it and walk the stud out.
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline chevyjoe_99

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Re: Electric Cooling fan
« Reply #48 on: February 10, 2012, 09:37:37 pm »
Everything looks great. Did you ever run the fan without the shroud? I've got dual 12" fans on mine now, without a shroud and was curious how much it helped cool with the shroud.
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'80 K25 High Sierra, 7" lift, 36x14.50R16.5 Swampers, mildly built 400 small block, sm465 4spd

Offline VileZambonie

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Re: Electric Cooling fan
« Reply #49 on: February 11, 2012, 08:31:39 am »
No, it doesn't pull nearly enough air without a shroud.
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline chevyjoe_99

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Re: Electric Cooling fan
« Reply #50 on: February 11, 2012, 10:03:29 am »
I kinda figured that. I have duals and they are rated at around 3100 cfm and they barely keep the truck cool at low speeds.
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'80 K25 High Sierra, 7" lift, 36x14.50R16.5 Swampers, mildly built 400 small block, sm465 4spd

Offline VileZambonie

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Re: Electric Cooling fan
« Reply #51 on: February 11, 2012, 10:12:28 am »
Shroud is Key - I will be building a new one for this truck since I've changed to a different style radiator
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10
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