[DeTomaso] Pusher Fans with stock fan brackets
Richard Greenblum
Richard at richardgreenblum.com
Tue Aug 18 15:51:25 EDT 2015
I've had the Meriah fans on my car for longer than I can remember. They are
very good, but quite a bit of flow is lost because the ³shroud² is simply a
rim around the perimeter. A fair amount of air blows laterally and never
gets through the radiator. I read recently on this list someone¹s opinion
that fixed shrouded suckers are better at low speeds and the Meriah type
fans are better at higher speeds. I agree. And since most of us need more
cooling at slower speeds (unless you¹re really pushing a lot of motor
generating a ton of heat), it seems to me the suckers are better for street
cars. Next time I upgrade, I plan on going with a radiator with shrouded
suckers in the upright original position.
In summer, we have triple digit days with a fair amount of humidity. My
temp (factory gauge) will climb to about 240 in stop-and-go traffic. If I
push the idle up to around 900 or 1,000 rpm while sitting, the temp will
drop at least 5 or 10 degrees. Once I get moving it returns to between 190
and 195. Never gurgles, steams, etc. Can¹t ask for too much more from a
system that keeps you from actually overheating, and then recovers well.
Richard
Austin, TX
From: DeTomaso <detomaso-bounces at poca.com> on behalf of deTomaso List
<detomaso at poca.com>
Reply-To: MikeDrew <MikeLDrew at aol.com>
Date: Tuesday, August 18, 2015 at 2:10 PM
To: <rob at dumoulins.net>, deTomaso List <detomaso at poca.com>
Subject: Re: [DeTomaso] Pusher Fans with stock fan brackets
In a message dated 8/17/15 10 41 11, rob at dumoulins.net writes:
What does the collective say?
>>>I don't know about what others might think, but I wonder what kind
of fans you currently have, and what you are hoping to achieve by
changing them? I have never seen a fan that works any better or is any
more effective than the Hall Meriah pusher fans, which neatly fit into
the stock brackets. Coupled with your stock replacement Hall radiator,
as long as the system is in proper working order (i.e. all the air is
bled out), they are more than adequate to allow you to run at no more
than 200 degrees or so in triple digit ambient temperatures. While you
could perhaps do a bunch of work and spend a bunch of money fitting
some other kinds of fans, which might even boast superior CFM
performance, it's unlikely you'll see any appreciable change in actual
radiator cooling performance, so doing so would just be a fashion
exercise?
Mike
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I've had the Meriah fans on my car for longer than I can remember.
They are very good, but quite a bit of flow is lost because the
"shroud" is simply a rim around the perimeter. A fair amount of air
blows laterally and never gets through the radiator. I read recently
on this list someone's opinion that fixed shrouded suckers are better
at low speeds and the Meriah type fans are better at higher speeds. I
agree. And since most of us need more cooling at slower speeds (unless
you're really pushing a lot of motor generating a ton of heat), it
seems to me the suckers are better for street cars. Next time I
upgrade, I plan on going with a radiator with shrouded suckers in the
upright original position.
In summer, we have triple digit days with a fair amount of humidity.
My temp (factory gauge) will climb to about 240 in stop-and-go traffic.
If I push the idle up to around 900 or 1,000 rpm while sitting, the
temp will drop at least 5 or 10 degrees. Once I get moving it returns
to between 190 and 195. Never gurgles, steams, etc. Can't ask for too
much more from a system that keeps you from actually overheating, and
then recovers well.
Richard
Austin, TX
From: DeTomaso <[1]detomaso-bounces at poca.com> on behalf of deTomaso
List <[2]detomaso at poca.com>
Reply-To: MikeDrew <[3]MikeLDrew at aol.com>
Date: Tuesday, August 18, 2015 at 2:10 PM
To: <[4]rob at dumoulins.net>, deTomaso List <[5]detomaso at poca.com>
Subject: Re: [DeTomaso] Pusher Fans with stock fan brackets
In a message dated 8/17/15 10 41 11, [6]rob at dumoulins.net writes:
What does the collective say?
>>>I don't know about what others might think, but I wonder what
kind
of fans you currently have, and what you are hoping to achieve by
changing them? I have never seen a fan that works any better or is
any
more effective than the Hall Meriah pusher fans, which neatly fit
into
the stock brackets. Coupled with your stock replacement Hall
radiator,
as long as the system is in proper working order (i.e. all the air
is
bled out), they are more than adequate to allow you to run at no
more
than 200 degrees or so in triple digit ambient temperatures. While
you
could perhaps do a bunch of work and spend a bunch of money fitting
some other kinds of fans, which might even boast superior CFM
performance, it's unlikely you'll see any appreciable change in
actual
radiator cooling performance, so doing so would just be a fashion
exercise?
Mike
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