Anyone using an electric fan? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Lumpy · 03-30-2002, 10:00 PM

Hello,
I am running a 350 and would like to switch over to an electric fan. Just wondering if anyone is using one right now and how it works? I was thinking of getting a 16 inch one and use it in a puller configuration. Thanks.....Lumpy

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67 Chevy,Short/Fleet,350,Saginaw 4-Speed,Lowered 4x2,small window,P/S,Edelbrock Intake/Carb,HEI,Gear Drive,Crane Cams 274h
Three Rivers, Ca
Pic at: <A HREF="http://community.webshots.com/album/29068416etoBoEninp
" TARGET=_blank>http://community.webshots.com/album/29068416etoBoEninp
</A>

Super Chevy · 03-30-2002, 10:29 PM

Hello Lumpy,
I have a decent 350 and i just switched over to a single 16" puller,it works pretty good,i bought it from AutoZone for $79.95 with a lifetime warrenty. I also think that you gain like 10hp? from swithing over from the conventional belt driven fan..

72.

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www.superchevy.cjb.net

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1972 Custom Deluxe/10
mild 350: Hedmen headers and dual 3" exhaust ,harlin sharp roller rockers ,MSD ingnition ,Mallory dual point K&N 14x4 air cleaner ,Holley 600 4bbl ,Edelbrok Proformer intake
TH350 with lock up verter and 1600 stall
American Racing 15x8.5 and michelan 28x8.55

CHEVY makes HORSEpower,while ford makes ponypower

Bowtie or nothing!

Project1970 · 03-30-2002, 10:31 PM

How do you have it wired up? That's one thing that's kept me away from electrics for now...my wiring is a bit crappy and I've gotten burning smells from running the A/C fan, let alone an engine fan. Aside from that, I would definitely love to run one.

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Project 1970 - soon to be seen at http://milhouse.treylis.org:81/

Super Chevy · 03-30-2002, 10:35 PM

I ran the wiring my self -not to hard i ran a lead from a fused spot on the fuseblock then up to a toggle switch then to the + on the fan then from the fan - i ran directly to the negative post on the battery,hope this helps

Eddie`

72.

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www.superchevy.cjb.net

----------------------

1972 Custom Deluxe/10
mild 350: Hedmen headers and dual 3" exhaust ,harlin sharp roller rockers ,MSD ingnition ,Mallory dual point K&N 14x4 air cleaner ,Holley 600 4bbl ,Edelbrok Proformer intake
TH350 with lock up verter and 1600 stall
American Racing 15x8.5 and michelan 28x8.55

CHEVY makes HORSEpower,while ford makes ponypower

Bowtie or nothing!

71Chev · 03-30-2002, 10:37 PM

I have 2-12" pullers. Wired to a 30 amp relay wired to an adjustable thermal switch. Then direct to the battery.

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71 Chevy CST Long Fleet 350/350/3.07 leaf rear.
Email: 67-72truckparts@nanosecond.com

*primer67* · 03-31-2002, 01:37 AM

I use two 16" in an offset fashion frontleft/ rear right with an electronic switching thermostat, in Az and I rarely get up to 200 sitting in traffic. Just make good and sure that you wire it clean, otherwise, you will get melted wires.

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jostrans68 · 03-31-2002, 02:20 AM

http://www.classicheartbeat.com/cata...n%20Shroud.htm
Check out Wes's setup over at classic Heartbeat Ive seen this unit its awesome

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68 c20 in progress 327 TH400 tach dash Disc Brakes and soon 3.90 rear gears.. have many new parts now just need the time..... Sound Familar
Tacoma Wa. The Rain capitol of the USA

**Classic Heartbeat** · 03-31-2002, 02:34 AM

Here is a picture of the wiring diagram that I have been providing with our duel 12" fan assemblies.

WES www.ClassicHeartbeat.com

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Click (Here) to visit our on-line catolog.
E-mail me WEHEPP@attbi.com
72 BB Chevy Blazer
72 BB Chevy Short Fleet
72 SB 3/4 Ton 4X4
72 SB 1/2 Ton SWB 4X4
70 BB Chevy Short Step
70 SB Chevy Short Fleet
69 SB Chevy Short Step
68 SB Chevy Short Step
68 BB GMC Long Fleet
67 GMC 1/2 ton Panel
"Founder" Classic Heartbeat Pickup Club
Olympia, Washington's "Home For Wayword Chevys"
www.ClassicHeartbeat.com

71Chev · 03-31-2002, 02:41 AM

I forgot about my 30 amp fuse it's between the thermal switch and battery.

Wes, there really should be a relay between the switch and the fans. A Hayes tech told me that.

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71 Chevy CST Long Fleet 350/350/3.07 leaf rear.
Email: 67-72truckparts@nanosecond.com

[This message has been edited by 71Chev (edited March 31, 2002).]

**Classic Heartbeat** · 03-31-2002, 02:50 AM

I was told that if you switch the ground side of the wiring it is not necessary to run a relay since you are only completing the ground with the switch and not running the power wire through it. It is also basicly the same diagram supplied with the thourmostat, the switch on the dash only acts as an over-ride switch. WES <A HREF="http://www.ClassicHeartbeat.com]www.ClassicHeartbeat.com[/URL" TARGET=_blank>

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Click [URL=http://www.classicheartbeat.com/](Here)</A> to visit our on-line catolog.
E-mail me WEHEPP@attbi.com
72 BB Chevy Blazer
72 BB Chevy Short Fleet
72 SB 3/4 Ton 4X4
72 SB 1/2 Ton SWB 4X4
70 BB Chevy Short Step
70 SB Chevy Short Fleet
69 SB Chevy Short Step
68 SB Chevy Short Step
68 BB GMC Long Fleet
67 GMC 1/2 ton Panel
"Founder" Classic Heartbeat Pickup Club
Olympia, Washington's "Home For Wayword Chevys" www.ClassicHeartbeat.com

[This message has been edited by WES (edited March 31, 2002).]

71Chev · 03-31-2002, 03:06 AM

That very well could be Wes.
These hayes fans I have, the switch runs to the fans hot leads. Or atleast that's what the tech told me to do. I'm electrically challenged, I just followed his directions.

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71 Chevy CST Long Fleet 350/350/3.07 leaf rear.
Email: 67-72truckparts@nanosecond.com

Project1970 · 03-31-2002, 03:10 AM

Well, if I ever hook that up (with fresh wiring like that, I wouldn't have to worry about the crap original stuff!) I'll measure the current through the switch.

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Project 1970 - soon to be seen at http://milhouse.treylis.org:81/

BobbyK · 03-31-2002, 04:22 AM

Here's my dual 14" electric fans I put in my 71 Blazer.It's attached to a 4 row rad.
Click the link to see more pic's. http://www.imagestation.com/album/?id=4292465889

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"71"blazer,rust free(bought in Arizona),350SBC
(375HP),700R4,factory G.M. TPI.Living in Santa Barbara,California.Ongoing project.

03-30-2002, 10:00 PM	#1
Lumpy 2 tons of fun Join Date: Dec 2001 Location: Central, Ca Posts: 194	Anyone using an electric fan? Hello, I am running a 350 and would like to switch over to an electric fan. Just wondering if anyone is using one right now and how it works? I was thinking of getting a 16 inch one and use it in a puller configuration. Thanks.....Lumpy ------------------ 67 Chevy,Short/Fleet,350,Saginaw 4-Speed,Lowered 4x2,small window,P/S,Edelbrock Intake/Carb,HEI,Gear Drive,Crane Cams 274h Three Rivers, Ca Pic at: <A HREF="http://community.webshots.com/album/29068416etoBoEninp " TARGET=_blank>http://community.webshots.com/album/29068416etoBoEninp </A> __________________ 67 Chevy,Short/Fleet,350,Saginaw 4-Speed,Lowered 4x2,small window,P/S,Edelbrock Intake/Carb,HEI,Gear Drive,Crane Cam 274H Three Rivers, Ca Pics at: http://www.cardomain.com/id/lumpy454

03-30-2002, 10:31 PM	#3
Project1970 14.1 @ 96MPH Join Date: Jul 2001 Location: Mesa, AZ Posts: 2,811	How do you have it wired up? That's one thing that's kept me away from electrics for now...my wiring is a bit crappy and I've gotten burning smells from running the A/C fan, let alone an engine fan. Aside from that, I would definitely love to run one. ------------------ Project 1970 - soon to be seen at http://milhouse.treylis.org:81/ __________________ Project1970 - LS1 Swap Complete!

03-30-2002, 10:37 PM	#5
71Chev Senior Member Join Date: Dec 2000 Location: Indiana Posts: 3,074	I have 2-12" pullers. Wired to a 30 amp relay wired to an adjustable thermal switch. Then direct to the battery. ------------------ 71 Chevy CST Long Fleet 350/350/3.07 leaf rear. Email: 67-72truckparts@nanosecond.com __________________ 71 Chevy CST Long Fleet 350/350/3.07 leaf rear.

03-31-2002, 02:20 AM	#7
jostrans68 Jostrans68 Join Date: Mar 2001 Location: Bloomington indiana Posts: 1,182	http://www.classicheartbeat.com/cata...n%20Shroud.htm Check out Wes's setup over at classic Heartbeat Ive seen this unit its awesome ------------------ 68 c20 in progress 327 TH400 tach dash Disc Brakes and soon 3.90 rear gears.. have many new parts now just need the time..... Sound Familar Tacoma Wa. The Rain capitol of the USA __________________ [CGTW Member former 67-72 now with a 96 silverado

03-31-2002, 02:34 AM	#8
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	Here is a picture of the wiring diagram that I have been providing with our duel 12" fan assemblies. WES www.ClassicHeartbeat.com ------------------ Click (Here) to visit our on-line catolog. E-mail me WEHEPP@attbi.com 72 BB Chevy Blazer 72 BB Chevy Short Fleet 72 SB 3/4 Ton 4X4 72 SB 1/2 Ton SWB 4X4 70 BB Chevy Short Step 70 SB Chevy Short Fleet 69 SB Chevy Short Step 68 SB Chevy Short Step 68 BB GMC Long Fleet 67 GMC 1/2 ton Panel "Founder" Classic Heartbeat Pickup Club Olympia, Washington's "Home For Wayword Chevys" www.ClassicHeartbeat.com __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

03-30-2002, 10:29 PM	#2
Super Chevy Registered User Join Date: Feb 2001 Location: Ohio Posts: 1,025	Hello Lumpy, I have a decent 350 and i just switched over to a single 16" puller,it works pretty good,i bought it from AutoZone for $79.95 with a lifetime warrenty. I also think that you gain like 10hp? from swithing over from the conventional belt driven fan.. 72. ------------------ www.superchevy.cjb.net ---------------------- 1972 Custom Deluxe/10 mild 350: Hedmen headers and dual 3" exhaust ,harlin sharp roller rockers ,MSD ingnition ,Mallory dual point K&N 14x4 air cleaner ,Holley 600 4bbl ,Edelbrok Proformer intake TH350 with lock up verter and 1600 stall American Racing 15x8.5 and michelan 28x8.55 CHEVY makes HORSEpower,while ford makes ponypower Bowtie or nothing!

03-30-2002, 10:35 PM	#4
Super Chevy Registered User Join Date: Feb 2001 Location: Ohio Posts: 1,025	I ran the wiring my self -not to hard i ran a lead from a fused spot on the fuseblock then up to a toggle switch then to the + on the fan then from the fan - i ran directly to the negative post on the battery,hope this helps Eddie` 72. ------------------ www.superchevy.cjb.net ---------------------- 1972 Custom Deluxe/10 mild 350: Hedmen headers and dual 3" exhaust ,harlin sharp roller rockers ,MSD ingnition ,Mallory dual point K&N 14x4 air cleaner ,Holley 600 4bbl ,Edelbrok Proformer intake TH350 with lock up verter and 1600 stall American Racing 15x8.5 and michelan 28x8.55 CHEVY makes HORSEpower,while ford makes ponypower Bowtie or nothing!

03-31-2002, 01:37 AM	#6
primer67 Account Suspended Join Date: Oct 2001 Location: phoenix, AZ. Posts: 181	I use two 16" in an offset fashion frontleft/ rear right with an electronic switching thermostat, in Az and I rarely get up to 200 sitting in traffic. Just make good and sure that you wire it clean, otherwise, you will get melted wires. ------------------

03-31-2002, 02:41 AM	#9
71Chev Senior Member Join Date: Dec 2000 Location: Indiana Posts: 3,074	I forgot about my 30 amp fuse it's between the thermal switch and battery. Wes, there really should be a relay between the switch and the fans. A Hayes tech told me that. ------------------ 71 Chevy CST Long Fleet 350/350/3.07 leaf rear. Email: 67-72truckparts@nanosecond.com [This message has been edited by 71Chev (edited March 31, 2002).] __________________ 71 Chevy CST Long Fleet 350/350/3.07 leaf rear.

03-31-2002, 02:50 AM	#10
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	I was told that if you switch the ground side of the wiring it is not necessary to run a relay since you are only completing the ground with the switch and not running the power wire through it. It is also basicly the same diagram supplied with the thourmostat, the switch on the dash only acts as an over-ride switch. WES <A HREF="http://www.ClassicHeartbeat.com]www.ClassicHeartbeat.com[/URL" TARGET=_blank> ------------------ Click [URL=http://www.classicheartbeat.com/](Here)</A> to visit our on-line catolog. E-mail me WEHEPP@attbi.com 72 BB Chevy Blazer 72 BB Chevy Short Fleet 72 SB 3/4 Ton 4X4 72 SB 1/2 Ton SWB 4X4 70 BB Chevy Short Step 70 SB Chevy Short Fleet 69 SB Chevy Short Step 68 SB Chevy Short Step 68 BB GMC Long Fleet 67 GMC 1/2 ton Panel "Founder" Classic Heartbeat Pickup Club Olympia, Washington's "Home For Wayword Chevys" www.ClassicHeartbeat.com [This message has been edited by WES (edited March 31, 2002).] __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

03-31-2002, 03:06 AM	#11
71Chev Senior Member Join Date: Dec 2000 Location: Indiana Posts: 3,074	That very well could be Wes. These hayes fans I have, the switch runs to the fans hot leads. Or atleast that's what the tech told me to do. I'm electrically challenged, I just followed his directions. ------------------ 71 Chevy CST Long Fleet 350/350/3.07 leaf rear. Email: 67-72truckparts@nanosecond.com __________________ 71 Chevy CST Long Fleet 350/350/3.07 leaf rear.

03-31-2002, 03:10 AM	#12
Project1970 14.1 @ 96MPH Join Date: Jul 2001 Location: Mesa, AZ Posts: 2,811	Well, if I ever hook that up (with fresh wiring like that, I wouldn't have to worry about the crap original stuff!) I'll measure the current through the switch. ------------------ Project 1970 - soon to be seen at http://milhouse.treylis.org:81/ __________________ Project1970 - LS1 Swap Complete!

03-31-2002, 04:22 AM	#13
BobbyK Registered User Join Date: May 2000 Location: Petrolia,Ontario,Canada but working in Port Huron,Mi. Posts: 1,769	Here's my dual 14" electric fans I put in my 71 Blazer.It's attached to a 4 row rad. Click the link to see more pic's. http://www.imagestation.com/album/?id=4292465889 ------------------ "71"blazer,rust free(bought in Arizona),350SBC (375HP),700R4,factory G.M. TPI.Living in Santa Barbara,California.Ongoing project. __________________ 71 blazer,350SBC,approx.375HP,700R4,factory GM TPI.Dual electric fans,33x12.5x15 ATR on stock suspension. Petrolia,Ontario,Canada but working in Port Huron,MI. See ALL my Blazer pic's HERE



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