[Oletrucks] Oletrucks Digest, Vol 2, Issue 40. FANS

[Gale Gorman]

So why not just run an old steel fan like these old trucks came with? Not the '74 but they screwed up a lot of things around that era.
-- 
Gale Gorman
Houston

On Apr 11, 2010, at 12:13 PM, Dustin Cross wrote:

I learned a lot about fans a couple years ago.  On my '74 with a 454 I kept
having to replace the fan clutch more and more frequently so a friend gave me
an adapter he had laying around.  I ran it for about 30k and then my metal
fixed fan came apart and tried to go through the hood!  Turns out the fans
meant to run on a clutch are not meant for high rpms for long periods of time.
I ran a flex fan for a while and hated the sound it made and felt it did not
work well either.  I then replaced it with a nylon fan which I have been
pretty happy with.

The most important thing I learned was that you NEVER lay over the engine
while it is running!  The fan came apart just minutes after I had adjusted the
timing.  The aluminum blade went straight up through the shroud and the U
shaped support support under the hood (very strongest part of  the heavy hood)
it only dented the the outside skin!



> Date: Sat, 10 Apr 2010 20:31:21 -0700
> From: ccpanel at yahoo.com
> To: oletrucks at autox.team.net
> Subject: Re: [Oletrucks] Oletrucks Digest, Vol 2, Issue 40
> 
> if you have big radiator and it does fine at night its simply a matter of
airflow.
> Your fan is not pulling enough!
> 
> 55TF camper ran hot if i pushed it... used water wetter, 100% distilled
water, shroud.. etc. still ran hot.
> removed flex fan and installed a same size fixed puller fan and now I can
not make it run hot.
> 
> flex fan just couldnt pull enough air volume.
> 
> if you CAN run mechanical fan-do it. try a flex fan first(my TF is 7,000#
camper with frontal area of a house!)
> if flex fan still not work-then run 6 blade hard fan.
> http://www.summitracing.com/parts/FLX-1719P/
> 
> if you can only run electric-use a relay and a #8 wire to relay and big #8
from relay to fan.
> also spend the bucks and get the highest CFM rated fan you can buy-$250
3,000cfm fan is cheap peace of mind over teh $100 kragen 1,000cfm fan.
> Mark
> PM me for my phone for clarity.
> 
>> From: smokey at railops.com
>> To: oletrucks at autox.team.net
>> Date: Fri, 9 Apr 2010 15:21:48 -0500
>> Subject: [Oletrucks] Overheating 350 in my '58 Apache
>> 
>> Hey guys, I have a question about my '58 Apache. I have a small block
350,
>> and can never keep the engine cool in the summer. When the ambient
>> temperature reaches mid 90s the engine heats up to 220+. Stopped in
traffic
>> I have to turn the air conditioner off and sometimes run the heater just
to
>> keep it from boiling over. At night it runs cool. I have installed an
>> aluminum radiator and a big electric fan, and don't know what else to do.
>> One mechanic told me that the shape of the hood keeps the hot air inside
> the
>> engine compartment, but I don't buy that. Anyone else had such a problem?
>> 
>> 
>> 
>> Thanks!
>> 
>> 
>> 
>> Smokey Culver
>> 
>> League City, Texas
>> 
>> 1950 3600 5-window Jitterbug
>> 
>> 1958 Apache The Chick Truck
>> 
>> 
> ******
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