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Author Topic:   I need air lots and lots of air!
Zonie
Esteemed Member

Posts: 243
From:Glendale, Arizona
Registered: Aug 99

posted 09-28-2000 12:33 AM     Click Here to See the Profile for Zonie   Click Here to Email Zonie     Edit/Delete Message   Reply w/Quote
I've been doing research on fans, and now I'm more confused than ever. Electric fans seem the way to go. But, I've been informed that they don't move as much air through the radiator as a 5 blade stock fan, 1" from the radiator with a shroud. If someone was looking for an efficient electric fan then what comes to mind is a "Black Magic Fan" pulling 2800 cfm. How does this compare to a stock fan or a "Flex-a-Lite" fan on the pulley. I can find no information on this subject. I'm not talking about added h.p. or fuel efficiency in this case.

As an added bonus, some electric fans have what is known as a "pancake motor". How long would it be before the motor is kaput. The reason I asked is because I understood that the bearings go real fast in this style.

Thanks!

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ZoNiE
1968 Mustang Coupe
" Car Show Warrior "

IP: 216.9.206.138

Nos351C
Esteemed Member

Posts: 1002
From:Rohnert Park, CA USA
Registered: Jul 2000

posted 09-28-2000 01:43 AM     Click Here to See the Profile for Nos351C   Click Here to Email Nos351C     Edit/Delete Message   Reply w/Quote
If you are looking for an electric fan, try the stock lincoln Mark VIII motor.
It will move roughly 2700 CFM of air,
It's an OEM so you know it will most likely last (can't have warranty concerns can we?)
If it can cool a late model smog motor in that engine compartment, it can cool a small block
Houston performance (www.houstonperformace.com/body.html) has them for a decent price
and if my figuring is right, it should jsut fit a 68 radiator. Naturally I can't find the part number or exact domensions right now.

It can be hooked up to run with a thermostat automatically or through a manual switch, but regardless I would recommend a real temp gauge with any electric fan.

The big caveat, you will have to upgrade your alternator, its not an option, this thing pulls nearly 27 amps.
I went with a 100 amp "street rod style" (can't say the G word) one wire alt.

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Marcus
Fast, Reliable, Cheap.... Pick any TWO of these words.
68 Mustang, still in purgatory.
BOYCOTT EXCESSIVE MOTORSPORTS

IP: 63.201.231.23

Nos351C
Esteemed Member

Posts: 1002
From:Rohnert Park, CA USA
Registered: Jul 2000

posted 09-28-2000 01:48 AM     Click Here to See the Profile for Nos351C   Click Here to Email Nos351C     Edit/Delete Message   Reply w/Quote
Found the dimensions and partnumbers in my notes..

>The Mark VIII fan setup:
>fan is 18 inches in diameter,
>height is 18&3/4
>width is 28 inches,
>depth is 6 inches
>Part numbers for Mark VIII fans
>93-96 F3LY8C607A
>97 mark fan (spins faster) F7LZ8C607AB
>98 part number F8LZ8C607AA

I don't remember mine being that much wider than a stock radiator.. hmm...

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Marcus
Fast, Reliable, Cheap.... Pick any TWO of these words.
68 Mustang, still in purgatory.
BOYCOTT EXCESSIVE MOTORSPORTS

IP: 63.201.231.23

Zonie
Esteemed Member

Posts: 243
From:Glendale, Arizona
Registered: Aug 99

posted 09-28-2000 10:15 AM     Click Here to See the Profile for Zonie   Click Here to Email Zonie     Edit/Delete Message   Reply w/Quote
Will the Mark VIII work on a 4 core 20" radiator?

Thanks!

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ZoNiE
1968 Mustang Coupe
" Car Show Warrior "

IP: 216.9.206.176

Moneymaker
Big Kahuna

Posts: 4655
From:Lyons, IL, USA
Registered: May 99

posted 09-28-2000 11:47 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
What does it weigh and how many amps does it draw? If memory serves me the Mark VIII uses a 155 amp alternator. Alex

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Alex Denysenko Co-Administrator and Moderator
Fleet of FoMoCo's too long to list!
http://superstockers.homestead.com/week.html

IP: 205.188.198.31

Nos351C
Esteemed Member

Posts: 1002
From:Rohnert Park, CA USA
Registered: Jul 2000

posted 09-28-2000 01:28 PM     Click Here to See the Profile for Nos351C   Click Here to Email Nos351C     Edit/Delete Message   Reply w/Quote
From talks withs other who used it, it pulls a good 27-28 amps while runnning, that's why I recommend a 100 amp alternator at least.
FWIW I think the MarkVIII has a 130 Amp alternator.
The built in shroud on the mark VIII piece can be trimmed. I don't know if it would fit a 20 inch radiator though. I am fairly confident it would fit a big block (24 inch)
with a little trimming.

Its also fairly deep (~6 inches) so you would have to measure on your car. I don't know if it will clear a 4 core or not.
I wish I could tell you more, but the radiator and fan are still in boxes about 100 miles away
hth

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Marcus
Fast, Reliable, Cheap.... Pick any TWO of these words.
68 Mustang, still in purgatory.
BOYCOTT EXCESSIVE MOTORSPORTS

IP: 63.202.82.17

Zonie
Esteemed Member

Posts: 243
From:Glendale, Arizona
Registered: Aug 99

posted 09-29-2000 11:09 AM     Click Here to See the Profile for Zonie   Click Here to Email Zonie     Edit/Delete Message   Reply w/Quote
So, now my question for today is this: in short of putting a small electrical power plant under the hood - is the above the only suggestion that "anybody" here has to offer?

Nos351c, Thanks, I'll look into Houston Performance and see what might be avalible there.

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ZoNiE

"Who is doing his best to stay Cool"

IP: 216.9.206.113

Moneymaker
Big Kahuna

Posts: 4655
From:Lyons, IL, USA
Registered: May 99

posted 09-29-2000 11:30 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
OOPS! Too much current draw for me. (no charging system on MM) I'll just stick with my perma-Cool units. thanks Alex

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Alex Denysenko Co-Administrator and Moderator
Fleet of FoMoCo's too long to list!
http://superstockers.homestead.com/week.html

IP: 205.188.195.44

mellowyellow
Esteemed Member

Posts: 223
From:miami, fl.
Registered: Aug 2000

posted 09-29-2000 11:33 PM     Click Here to See the Profile for mellowyellow     Edit/Delete Message   Reply w/Quote
I'll admit I don't know too much about electric fans--but now I see electric waterpumps advertised.......

IP: 152.163.195.179

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