Home » Public Forums » GMCnet » [GMCnet] Electric engine fan
| [GMCnet] Electric engine fan [message #200514] |
Sun, 03 March 2013 18:11  |
Kingsley Coach
Messages: 2691
Registered: March 2009
Location: Nova Scotia Canada
Karma: -34
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Senior Member |
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Netters
I was thinking about installing an electric fan to assist engine cooling on
a short term basis...such as the loooong haul on the I-40 heading east out
of Albuquerque !.
Is there room to 'pull' air in by mounting the electric fan between the
inside of the radiator and the blade on the clutch fan? Should I just
mount it flush to the air conditioner....whatever it's called... I can
never get A/C parts sorted out by name,... and push additional air into the
rad. There is not room enough to mount 'between' the A/C thing and the
rad.
I had one several years ago out of a Benz (about 12") and it seemed to work
pushing air. This one is 11"
Just looking for the best method...suggestions welcomed
Mike in NM
Michael Beaton
1977 Kingsley 26-11
1977 Eleganza II 26-3
Antigonish, NS
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| Re: [GMCnet] Electric engine fan [message #200529 is a reply to message #200522] |
Sun, 03 March 2013 21:30  |
Kingsley Coach
Messages: 2691
Registered: March 2009
Location: Nova Scotia Canada
Karma: -34
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Mac
Yes, I'm heading to Dothan, and I'll reply to you off net so as not to put
anyone to sleep ! <g>
Mike in NM
On Sun, Mar 3, 2013 at 9:11 PM, A. <markbb1@netzero.com> wrote:
>
>
> Kingsley Coach wrote on Sun, 03 March 2013 18:11
> > Netters
> >
> > I was thinking about installing an electric fan to assist engine cooling
> on a short term basis...such as the loooong haul on the I-40 heading east
> out of Albuquerque !.
> >
> > Is there room to 'pull' air in by mounting the electric fan between the
> inside of the radiator and the blade on the clutch fan? Should I just
> mount it flush to the air conditioner....whatever it's called... I can
> never get A/C parts sorted out by name,... and push additional air into the
> rad. There is not room enough to mount 'between' the A/C thing and the
> rad.
> >
> > I had one several years ago out of a Benz (about 12") and it seemed to
> work pushing air. This one is 11"
> >
> > Just looking for the best method...suggestions welcomed
> >
> > Mike in NM
> >
> >
> > Michael Beaton
> > 1977 Kingsley 26-11
> > 1977 Eleganza II 26-3
> > Antigonish, NS
> Not much more complicated than installing a fan, and permanent, check out
> Armand's air flow deflectors
>
> http://www.gmcmhphotos.com/photos/radiator-air-flow-modifications/p39216-air-flow-deflectors.html
> --
> '73 23' Sequoia For Camping
> '73 23' CanyonLands For Sale
> UA (Upper Alabama)
> "Time is money. If you use YOUR time, you get to keep YOUR money."
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Michael Beaton
1977 Kingsley 26-11
1977 Eleganza II 26-3
Antigonish, NS
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| Re: [GMCnet] Electric engine fan [message #200530 is a reply to message #200522] |
Sun, 03 March 2013 21:34 |
Kingsley Coach
Messages: 2691
Registered: March 2009
Location: Nova Scotia Canada
Karma: -34
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Senior Member |
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Hmmm, I might make a spoiler when I get home...thanks for the link.
On a long up-hill, an air deflector might not be much help at 30MPH
<g>....but on the highway, a good idea.
Mike in NM
On Sun, Mar 3, 2013 at 9:11 PM, A. <markbb1@netzero.com> wrote:
>
>
> Kingsley Coach wrote on Sun, 03 March 2013 18:11
> > Netters
> >
> > I was thinking about installing an electric fan to assist engine cooling
> on a short term basis...such as the loooong haul on the I-40 heading east
> out of Albuquerque !.
> >
> > Is there room to 'pull' air in by mounting the electric fan between the
> inside of the radiator and the blade on the clutch fan? Should I just
> mount it flush to the air conditioner....whatever it's called... I can
> never get A/C parts sorted out by name,... and push additional air into the
> rad. There is not room enough to mount 'between' the A/C thing and the
> rad.
> >
> > I had one several years ago out of a Benz (about 12") and it seemed to
> work pushing air. This one is 11"
> >
> > Just looking for the best method...suggestions welcomed
> >
> > Mike in NM
> >
> >
> > Michael Beaton
> > 1977 Kingsley 26-11
> > 1977 Eleganza II 26-3
> > Antigonish, NS
> Not much more complicated than installing a fan, and permanent, check out
> Armand's air flow deflectors
>
> http://www.gmcmhphotos.com/photos/radiator-air-flow-modifications/p39216-air-flow-deflectors.html
> --
> '73 23' Sequoia For Camping
> '73 23' CanyonLands For Sale
> UA (Upper Alabama)
> "Time is money. If you use YOUR time, you get to keep YOUR money."
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Michael Beaton
1977 Kingsley 26-11
1977 Eleganza II 26-3
Antigonish, NS
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| Re: [GMCnet] Electric engine fan [message #200532 is a reply to message #200530] |
Sun, 03 March 2013 21:45 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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Senior Member |
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I don't know if you have a tachometer, Mike,
but you need to keep the RPM up and not lug
the engine. In my 2012 Flex with 355 hp on
tap, I did the upgrade on I-40 out of ABQ
locked into manual 5th gear! I wanted the
engine to be breathing free and not lug.
I realize we only have three ranges in the
GMC, but running in second gear with RPM
at 2500 to 3000 would seem to me to be a
good target, regardless of the actual speed
you can attain/maintain. I think both your
engine and tranny would thank you.
I'm sure others can provide more personal
guidance on this.
Almost all of that stretch of highway has the
extra "truck" third lane at the right side.
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~ ~ D C "Mac" Macdonald ~ ~~
~ ~ Amateur Radio - K2GKK ~ ~
~ ~ USAF and FAA, Retired ~ ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
~ ~ ~ '76 ex-Palm Beach ~ ~ ~
~ www.gmcmhphotos.com/okclb ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
______________
*[ ]~~~[][ ][|\
*--OO--[]---O-*
> Date: Sun, 3 Mar 2013 23:34:35 -0400
> From: kingsleygmc@gmail.com
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] Electric engine fan
>
> Hmmm, I might make a spoiler when I get home...thanks for the link.
> On a long up-hill, an air deflector might not be much help at 30MPH
> <g>....but on the highway, a good idea.
>
> Mike in NM
>
> On Sun, Mar 3, 2013 at 9:11 PM, A. <markbb1@netzero.com> wrote:
>
> >
> >
> > Kingsley Coach wrote on Sun, 03 March 2013 18:11
> > > Netters
> > >
> > > I was thinking about installing an electric fan to assist engine cooling
> > on a short term basis...such as the loooong haul on the I-40 heading east
> > out of Albuquerque !.
> > >
> > > Is there room to 'pull' air in by mounting the electric fan between the
> > inside of the radiator and the blade on the clutch fan? Should I just
> > mount it flush to the air conditioner....whatever it's called... I can
> > never get A/C parts sorted out by name,... and push additional air into the
> > rad. There is not room enough to mount 'between' the A/C thing and the
> > rad.
> > >
> > > I had one several years ago out of a Benz (about 12") and it seemed to
> > work pushing air. This one is 11"
> > >
> > > Just looking for the best method...suggestions welcomed
> > >
> > > Mike in NM
> > >
> > >
> > > Michael Beaton
> > > 1977 Kingsley 26-11
> > > 1977 Eleganza II 26-3
> > > Antigonish, NS
> > Not much more complicated than installing a fan, and permanent, check out
> > Armand's air flow deflectors
> >
> > http://www.gmcmhphotos.com/photos/radiator-air-flow-modifications/p39216-air-flow-deflectors.html
> > --
> > '73 23' Sequoia For Camping
> > '73 23' CanyonLands For Sale
> > UA (Upper Alabama)
> > "Time is money. If you use YOUR time, you get to keep YOUR money."
> > _______________________________________________
> >
>
>
>
> --
> Michael Beaton
> 1977 Kingsley 26-11
> 1977 Eleganza II 26-3
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| Re: [GMCnet] Electric engine fan [message #200533 is a reply to message #200532] |
Sun, 03 March 2013 22:05 |
Kingsley Coach
Messages: 2691
Registered: March 2009
Location: Nova Scotia Canada
Karma: -34
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Senior Member |
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Mac
Sorry but I'm prone to exaggeration <g>
I do haul it into 2nd gear for the long ones and 1st for special
occasions...like Mt Rushmore.
I sent you a note off net re Dothan
Talk to you soon.
Mike
On Sun, Mar 3, 2013 at 11:45 PM, D C _Mac_ Macdonald <k2gkk@hotmail.com>wrote:
>
> I don't know if you have a tachometer, Mike,
> but you need to keep the RPM up and not lug
> the engine. In my 2012 Flex with 355 hp on
> tap, I did the upgrade on I-40 out of ABQ
> locked into manual 5th gear! I wanted the
> engine to be breathing free and not lug.
>
> I realize we only have three ranges in the
> GMC, but running in second gear with RPM
> at 2500 to 3000 would seem to me to be a
> good target, regardless of the actual speed
> you can attain/maintain. I think both your
> engine and tranny would thank you.
>
> I'm sure others can provide more personal
> guidance on this.
>
> Almost all of that stretch of highway has the
> extra "truck" third lane at the right side.
>
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ~~ ~ D C "Mac" Macdonald ~ ~~
> ~ ~ Amateur Radio - K2GKK ~ ~
> ~ ~ USAF and FAA, Retired ~ ~
> ~ ~ ~ Oklahoma City, OK ~ ~ ~
> ~~ ~ ~ "The Money Pit" ~ ~ ~~
> ~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
> ~ ~ ~ '76 ex-Palm Beach ~ ~ ~
> ~ www.gmcmhphotos.com/okclb ~
> ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> ______________
> *[ ]~~~[][ ][|\
> *--OO--[]---O-*
>
>
>
>
>
> > Date: Sun, 3 Mar 2013 23:34:35 -0400
> > From: kingsleygmc@gmail.com
> > To: gmclist@temp.gmcnet.org
> > Subject: Re: [GMCnet] Electric engine fan
> >
> > Hmmm, I might make a spoiler when I get home...thanks for the link.
> > On a long up-hill, an air deflector might not be much help at 30MPH
> > <g>....but on the highway, a good idea.
> >
> > Mike in NM
> >
> > On Sun, Mar 3, 2013 at 9:11 PM, A. <markbb1@netzero.com> wrote:
> >
> > >
> > >
> > > Kingsley Coach wrote on Sun, 03 March 2013 18:11
> > > > Netters
> > > >
> > > > I was thinking about installing an electric fan to assist engine
> cooling
> > > on a short term basis...such as the loooong haul on the I-40 heading
> east
> > > out of Albuquerque !.
> > > >
> > > > Is there room to 'pull' air in by mounting the electric fan between
> the
> > > inside of the radiator and the blade on the clutch fan? Should I just
> > > mount it flush to the air conditioner....whatever it's called... I can
> > > never get A/C parts sorted out by name,... and push additional air
> into the
> > > rad. There is not room enough to mount 'between' the A/C thing and the
> > > rad.
> > > >
> > > > I had one several years ago out of a Benz (about 12") and it seemed
> to
> > > work pushing air. This one is 11"
> > > >
> > > > Just looking for the best method...suggestions welcomed
> > > >
> > > > Mike in NM
> > > >
> > > >
> > > > Michael Beaton
> > > > 1977 Kingsley 26-11
> > > > 1977 Eleganza II 26-3
> > > > Antigonish, NS
> > > Not much more complicated than installing a fan, and permanent, check
> out
> > > Armand's air flow deflectors
> > >
> > >
> http://www.gmcmhphotos.com/photos/radiator-air-flow-modifications/p39216-air-flow-deflectors.html
> > > --
> > > '73 23' Sequoia For Camping
> > > '73 23' CanyonLands For Sale
> > > UA (Upper Alabama)
> > > "Time is money. If you use YOUR time, you get to keep YOUR money."
> > > _______________________________________________
> > >
> >
> >
> >
> > --
> > Michael Beaton
> > 1977 Kingsley 26-11
> > 1977 Eleganza II 26-3
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Michael Beaton
1977 Kingsley 26-11
1977 Eleganza II 26-3
Antigonish, NS
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| Re: [GMCnet] Electric engine fan [message #200534 is a reply to message #200533] |
Sun, 03 March 2013 22:09 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
|
Senior Member |
|
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Already got your note and answered it, Mike!
'
Cheers - Mac
> Date: Mon, 4 Mar 2013 00:05:06 -0400
> From: kingsleygmc@gmail.com
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] Electric engine fan
>
> Mac
>
> Sorry but I'm prone to exaggeration <g>
> I do haul it into 2nd gear for the long ones and 1st for special
> occasions...like Mt Rushmore.
>
> I sent you a note off net re Dothan
>
> Talk to you soon.
>
> Mike
>
> On Sun, Mar 3, 2013 at 11:45 PM, D C _Mac_ Macdonald <k2gkk@hotmail.com>wrote:
>
> >
> > I don't know if you have a tachometer, Mike,
> > but you need to keep the RPM up and not lug
> > the engine. In my 2012 Flex with 355 hp on
> > tap, I did the upgrade on I-40 out of ABQ
> > locked into manual 5th gear! I wanted the
> > engine to be breathing free and not lug.
> >
> > I realize we only have three ranges in the
> > GMC, but running in second gear with RPM
> > at 2500 to 3000 would seem to me to be a
> > good target, regardless of the actual speed
> > you can attain/maintain. I think both your
> > engine and tranny would thank you.
> >
> > I'm sure others can provide more personal
> > guidance on this.
> >
> > Almost all of that stretch of highway has the
> > extra "truck" third lane at the right side.
> >
> > ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> > ~~ ~ D C "Mac" Macdonald ~ ~~
> > ~ ~ Amateur Radio - K2GKK ~ ~
> > ~ ~ USAF and FAA, Retired ~ ~
> > ~ ~ ~ Oklahoma City, OK ~ ~ ~
> > ~~ ~ ~ "The Money Pit" ~ ~ ~~
> > ~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
> > ~ ~ ~ '76 ex-Palm Beach ~ ~ ~
> > ~ www.gmcmhphotos.com/okclb ~
> > ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
> > ______________
> > *[ ]~~~[][ ][|\
> > *--OO--[]---O-*
> >
> >
> >
> >
> >
> > > Date: Sun, 3 Mar 2013 23:34:35 -0400
> > > From: kingsleygmc@gmail.com
> > > To: gmclist@temp.gmcnet.org
> > > Subject: Re: [GMCnet] Electric engine fan
> > >
> > > Hmmm, I might make a spoiler when I get home...thanks for the link.
> > > On a long up-hill, an air deflector might not be much help at 30MPH
> > > <g>....but on the highway, a good idea.
> > >
> > > Mike in NM
> > >
> > > On Sun, Mar 3, 2013 at 9:11 PM, A. <markbb1@netzero.com> wrote:
> > >
> > > >
> > > >
> > > > Kingsley Coach wrote on Sun, 03 March 2013 18:11
> > > > > Netters
> > > > >
> > > > > I was thinking about installing an electric fan to assist engine
> > cooling
> > > > on a short term basis...such as the loooong haul on the I-40 heading
> > east
> > > > out of Albuquerque !.
> > > > >
> > > > > Is there room to 'pull' air in by mounting the electric fan between
> > the
> > > > inside of the radiator and the blade on the clutch fan? Should I just
> > > > mount it flush to the air conditioner....whatever it's called... I can
> > > > never get A/C parts sorted out by name,... and push additional air
> > into the
> > > > rad. There is not room enough to mount 'between' the A/C thing and the
> > > > rad.
> > > > >
> > > > > I had one several years ago out of a Benz (about 12") and it seemed
> > to
> > > > work pushing air. This one is 11"
> > > > >
> > > > > Just looking for the best method...suggestions welcomed
> > > > >
> > > > > Mike in NM
> > > > >
> > > > >
> > > > > Michael Beaton
> > > > > 1977 Kingsley 26-11
> > > > > 1977 Eleganza II 26-3
> > > > > Antigonish, NS
> > > > Not much more complicated than installing a fan, and permanent, check
> > out
> > > > Armand's air flow deflectors
> > > >
> > > >
> > http://www.gmcmhphotos.com/photos/radiator-air-flow-modifications/p39216-air-flow-deflectors.html
> > > > --
> > > > '73 23' Sequoia For Camping
> > > > '73 23' CanyonLands For Sale
> > > > UA (Upper Alabama)
> > > > "Time is money. If you use YOUR time, you get to keep YOUR money."
> > > > _______________________________________________
> > > >
> > >
> > >
> > >
> > > --
> > > Michael Beaton
> > > 1977 Kingsley 26-11
> > > 1977 Eleganza II 26-3
> >
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >
>
>
>
> --
> Michael Beaton
> 1977 Kingsley 26-11
> 1977 Eleganza II 26-3
> Antigonish, NS
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
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| Re: [GMCnet] Electric engine fan [message #200552 is a reply to message #200544] |
Mon, 04 March 2013 08:16 |
JimGunther
Messages: 228
Registered: March 2007
Location: West Haven, CT
Karma: 0
|
Senior Member |
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I was going to post on this subjecty a couple days ago.
How many owners have entirely eliminated their engine-driven fan?
FWIW: I thought the fan and belts contributed enormously to the noise level on the flight deck. There certainly have been plenty of posts about the "roar" when the fan "kicks in".
PS: I've had a couple V6 Honda/Acura motors in the last few years and they are as quiet as any luxury car (Quieter, actually, than my last Lincoln) in large part (IMHO) dues to the elimination of the entire fan driving mechanism. Also, my Lotus 7 replicar - with chevy V6 motor only uses an electric fan and it is remarkable how seldom it needs to cycle-on.
| Jim Galbavy wrote on Mon, 04 March 2013 07:19 |
Mike,
I had an electric pusher fan that worked fine (until the bearings died).
The GMC that JimB and I drove from CA to FL had a "mister" hocked up to the water tank that seemed to work even better.
Both work that I can see.
jim galbavy
'73 x-CL ANNIE
Lake Mary, Fl
|
Jim Gunther
www.LotusV6.com
now former owner - ;(
73 GMC-II 2600
by Explorer
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| Re: [GMCnet] Electric engine fan [message #200608 is a reply to message #200587] |
Mon, 04 March 2013 17:34 |
 |
fitzmorrispr
Messages: 137
Registered: February 2013
Location: Los Angeles
Karma: 0
|
Senior Member |
|
|
the way I see it, there's a reason all the pickup trucks and vans made
by the likes of Ford and Chevy still have engine driven fans, years
and years after they stopped putting them on their cars.
Though Chevies do sometimes have small electrics on the front to help
the A/C condensor coils get airflow.
On Mon, Mar 4, 2013 at 11:12 AM, Robert Mueller <robmueller@iinet.net.au> wrote:
> Jim,
>
> IIRC somebody (NOT JimG) that used to hang around here installed a couple of large "T" Bird fans and to do so he had to install a
> larger alternator to drive them. When Bill Bryant mentioned that he has had his GMC for something like thirty years and never had a
> cooling problem that somebody "flamed" him.
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Jim Gunther
>
> I was going to post on this subjecty a couple days ago.
>
> How many owners have entirely eliminated their engine-driven fan?
>
> FWIW: I thought the fan and belts contributed enormously to the noise level on the flight deck. There certainly have been plenty of
> posts about the "roar" when the fan "kicks in".
>
> PS: I've had a couple V6 Honda/Acura motors in the last few years and they are as quiet as any luxury car (Quieter, actually, than
> my last Lincoln) in large part (IMHO) dues to the elimination of the entire fan driving mechanism. Also, my Lotus 7 replicar - with
> chevy V6 motor only uses an electric fan and it is remarkable how seldom it needs to cycle-on.
>
> Jim
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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The Greatfruit: 1973, 26', Canyon Lands or Painted Desert, in Pineapple Yellow
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| Re: [GMCnet] Electric engine fan [message #200613 is a reply to message #200514] |
Mon, 04 March 2013 18:03 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
|
Senior Member |
|
|
The modern e fans on trucks are more for low speed air cond and don't block the entire condenser. To go to all e fans you would need dual belt alt drive and soft start on the fans through low speed resistors and relays. Won't match clutch fan. My GMC never runs hot in traffic no matter how hot out. It's the road load heat thats hard to get rid of and the clutch fan will get that done when needed.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] Electric engine fan [message #200668 is a reply to message #200608] |
Tue, 05 March 2013 06:27 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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I suspect it's substantially cheaper to use a belt when the engine is North - South; whereas a sideways install is likely cheaper to do electrically.
--johnny
'76 23' transmode norris
'76 palm beach
From: Patrick Fitzmorris <fitzmorrispr@gmail.com>
To: gmclist <gmclist@temp.gmcnet.org>
Sent: Monday, March 4, 2013 6:34 PM
Subject: Re: [GMCnet] Electric engine fan
the way I see it, there's a reason all the pickup trucks and vans made
by the likes of Ford and Chevy still have engine driven fans, years
and years after they stopped putting them on their cars.
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Electric engine fan [message #200705 is a reply to message #200668] |
Tue, 05 March 2013 11:39 |
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fitzmorrispr
Messages: 137
Registered: February 2013
Location: Los Angeles
Karma: 0
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Senior Member |
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Well see, that's what I was trying to get at. Even on longitudinally
mounted, RWD, V8 cars like the Crown Victoria, Ford was using electric
fans only. (since that car's gone now, 'is' is the wrong word) but on
trucks like the F150, and vans, like the Econolines, they used engine
driven fans. In many cases, these trucks and vans had the same engine
as the crown vic, except with mechanical fan.
(i can't speak to the most recent model years, with EcoBoost engines
and such, having not seen what they look like under the hood, and the
newest GM with a longitudinally mounted engine i've looked inside of
was my uncle's '99 Suburban)
What I'm trying to say is: Our machines work hard, maybe (probably)
harder than the vans and pickups I've mentioned. The manufacturers
know what they're doing, (a million F150s a year can't all be wrong!)
and that is putting mechanical fans on their harder working machines.
On Tue, Mar 5, 2013 at 4:27 AM, Johnny Bridges <jhbridges@ymail.com> wrote:
> I suspect it's substantially cheaper to use a belt when the engine is North - South; whereas a sideways install is likely cheaper to do electrically.
>
> --johnny
> '76 23' transmode norris
> '76 palm beach
>
> From: Patrick Fitzmorris <fitzmorrispr@gmail.com>
> To: gmclist <gmclist@temp.gmcnet.org>
> Sent: Monday, March 4, 2013 6:34 PM
> Subject: Re: [GMCnet] Electric engine fan
>
> the way I see it, there's a reason all the pickup trucks and vans made
> by the likes of Ford and Chevy still have engine driven fans, years
> and years after they stopped putting them on their cars.
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The Greatfruit: 1973, 26', Canyon Lands or Painted Desert, in Pineapple Yellow
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| Re: [GMCnet] Electric engine fan [message #200734 is a reply to message #200514] |
Tue, 05 March 2013 19:43 |
Craig Lechowicz
Messages: 541
Registered: October 2006
Location: Waterford, MI
Karma: 0
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Senior Member |
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Patrick,
You've got it right. The GM trucks until very recently always used mechanically driven fans because they are made to live under a higher load condition including max gvw plus max trailer up to the gross combined weight rating up Baker's grade outside Death valley with no abnormal temp readings.
I think maybe 5 or 6 years or so ago, on 1/2 ton GM pickups they went to electric fans to help with fuel economy. They are more efficient in that respect, but the mpg differences are measured in the numbers right of the decimal point that are much more valuable to manufacturers that need to meet Corporate Average Fuel Economy regulations than they are to consumers who only register fuel economy improvements in the range of several whole mpg. I think the 3/4 ton and above trucks are still belt driven, partially because of the heavier loads, and partially because they are not counted in the fuel economy rules.
Something that is probably not intuitive, was a lot of the early use of electric booster fans on trucks was with snow plow prep packages. You wouldn't think in the winter you'd need them, but if you are going 5 mph pushing a lot of snow, and have a big plow in front of the grille, there were some overheating issues.
Craig Lechowicz
'77 Kingsley, Waterford, MI
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