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08-31-2012, 10:47 AM
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#1 |
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Registered User
Join Date: Feb 2012
Location: Yellowknife, NWT, Canada
Posts: 63
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Fan Options 84 5.3
Hey guys, just interested to see what some people have done for fan options in their machines. 1984 K5 with a 2007 5.3, I would like to go mechanical, but appearently there was no Mech Fan made for the 5.3. Would the mech fan and clutch from the 6.0 work? Anyways Using the stock rad, what have others done, I'm curious! thank you for your replies!
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08-31-2012, 06:32 PM
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#2 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Fan Options 84 5.3
weird angle to show it but this is a be-cool radiator with either a be-cool or a flexalite fan (can't remember
 if your waterpump snout is long enough to accept the fan clutch and fan, I don't see why it wouldn't work. You may want to build a shroud with a mechanical though.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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08-31-2012, 06:52 PM
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#3 |
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Registered User
Join Date: Oct 2009
Location: Broken Arrow, OK
Posts: 1,245
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Re: Fan Options 84 5.3
Not sure if you could swap the pump and/or pully, but the older 5.3 had a mech fan screwed onto the water pump pully. (My 01 did) I threw mine away and installed a two speed electric Tbird fan.
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56 GMC BUILD THREAD: http://67-72chevytrucks.com/vboard/s...d.php?t=368649 69 long bed Chevy turned 67 gmc jimmy roadster: https://67-72chevytrucks.com/vboard/...d.php?t=851167 |
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08-31-2012, 09:39 PM
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#4 | |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: Fan Options 84 5.3
Quote:
I use a clutch fan whenever possible. And I think the shroud fills the space between the radiator & engine nicely. |
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09-05-2012, 12:39 PM
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#5 |
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Registered User
 
Join Date: Feb 2009
Location: Scottsdale, AZ
Posts: 390
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Re: Fan Options 84 5.3
H-Matic, is that a squarebody radiator and fan shroud pictured there?
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-Don- '66  C10 w/factory A/C'77 Cheyenne K5 350/465/205 '80 Custom Deluxe K20 350/465/205'04 Denali XL '05 DMax CCLB 4x Have a Hickey Sidewinder Winch and need the owners/install manual? Send me a PM with your email address and I'll forward you a .pdf 
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09-05-2012, 05:24 PM
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#6 | |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: Fan Options 84 5.3
Quote:
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09-05-2012, 12:47 PM
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#7 |
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Registered User
Join Date: Feb 2012
Location: Yellowknife, NWT, Canada
Posts: 63
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Re: Fan Options 84 5.3
OilBrnr
It sure is.. |
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09-05-2012, 05:24 PM
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#8 |
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Registered User
Join Date: Feb 2009
Location: Scottsdale, AZ
Posts: 390
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Re: Fan Options 84 5.3
Interesting. It looks from that angle as though the fan would be too far forward towards the radiator to make the shroud as effective as it should be. ie the fan should be about half in, half out as you look straight across the rear opening...
__________________
-Don- '66 C10 w/factory A/C'77 Cheyenne K5 350/465/205 '80 Custom Deluxe K20 350/465/205'04 Denali XL '05 DMax CCLB 4x Have a Hickey Sidewinder Winch and need the owners/install manual? Send me a PM with your email address and I'll forward you a .pdf
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09-05-2012, 05:47 PM
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#9 | |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: Fan Options 84 5.3
Quote:
99-04 trucks have the fan tucked in the shroud from the factory. |
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09-05-2012, 07:04 PM
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#10 |
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Registered User
Join Date: Feb 2009
Location: Scottsdale, AZ
Posts: 390
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Re: Fan Options 84 5.3
Since I have a Dmax LLY over-heater, I've been down the road of all the things that can effect the stack, and I remember several 'heated' debates over on The Diesel Place regarding fan placement. Too far in or out has a impact on efficiency. I'm more worried about the A/C performance here in Phx., probably like you are too!!
What is the hose from? Also a later model square?
__________________
-Don- '66 C10 w/factory A/C'77 Cheyenne K5 350/465/205 '80 Custom Deluxe K20 350/465/205'04 Denali XL '05 DMax CCLB 4x Have a Hickey Sidewinder Winch and need the owners/install manual? Send me a PM with your email address and I'll forward you a .pdf
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09-05-2012, 07:36 PM
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#11 | |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: Fan Options 84 5.3
Quote:
I was under the assumption the 04/05 LLY had to small of a radiator. |
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09-05-2012, 08:52 PM
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#12 | |
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Registered User
Join Date: Feb 2009
Location: Scottsdale, AZ
Posts: 390
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Re: Fan Options 84 5.3
Quote:
__________________
-Don- '66 C10 w/factory A/C'77 Cheyenne K5 350/465/205 '80 Custom Deluxe K20 350/465/205'04 Denali XL '05 DMax CCLB 4x Have a Hickey Sidewinder Winch and need the owners/install manual? Send me a PM with your email address and I'll forward you a .pdf
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09-19-2012, 03:18 PM
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#13 | |
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Registered User
Join Date: Oct 2010
Location: El Mirage AZ
Posts: 169
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Re: Fan Options 84 5.3
Quote:
Not to change topics and thread jack too much but i have an 05 lly and mine runs great and doesnt overheat like ive heard of some of them, have you changed out your Turbo mouthpiece to the newer LBZ one, that helps out with lots of problems, i even picked up an easy 1 MPG just from that mod, and it really runs with a the turbo back exhaust. just something to think about if your still having problems, and i am down here in the valley too, and tow with it and what not, |
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