[Supras] Koyo Radiator...

Wed Apr 11 14:41:49 CDT 2007

Ok. So should I replace the fan shroud or just buy the electrical fans? In 
your oppinion? I personally like the electrical fans but I have always been 
afraid that it would harm the motor or radiator in some way.
----- Original Message ----- 
From: "Jim Jobe" <jjobe2 at supratech.org>
To: "Harley" <CoolGuyHB at socal.rr.com>
Cc: "Peter" <psantos at cfl.rr.com>; <supras at supras.com>
Sent: Wednesday, April 11, 2007 6:22 AM
Subject: Re: [Supras] Koyo Radiator...


>
> The radiator itself does not act like a wall.
>
> The fan shroud is to optimize the fan pulling air through
> the radiator (not direct it towards the motor - if so the
> shrould would be extended towards/around the motor.  Take
> your box fan example and remove the box.  What happens?
> You should replace it.
>
> The mech clutch should work fine.  Mine does.  If it's not it
> has either failed or has been rebuilt improperly.
>
> On Tue, Apr 10, 2007 at 08:35:53PM -0700, Harley wrote:
>> Well.... I replaced the original fan clutch about a yr ago when i rebuilt
>> the top end after blowing a head gasket. The new one i put on sounds 
>> mean...
>> Real mean. Like a semi racing down the highway. The only thing is, is 
>> that
>> I'm missing my shroud. It broke off and stopped the fan from moving while 
>> i
>> was on the freeway. I took it off and never put it back on. I was told by
>> many mechanics that i should put it back on as it heps direct the air
>> towards the motor cooling it off. This true? Sounds like it makes sense.
>> Wouldn't replacing the clutch engaged fan with electrical fans do the 
>> same
>> if not worse? I think with the fan being too close to the core it doesn't
>> have enough room to bring in air... This of it this way... You put a box 
>> fan
>> close to a wall and have it blow away from the wall. You can actually 
>> hear
>> and feel the difference if you were to pull the fan out further away from
>> the wall. The fan has more air to pull through if there isn't something
>> right behind it. Also the same thing applys when pushing air towards
>> something. If the object is too close there isn't much room to fan.
>> ----- Original Message ----- 
>> From: "Peter" <psantos at cfl.rr.com>
>> To: "Harley" <CoolGuyHB at socal.rr.com>; <supras at supras.com>
>> Sent: Tuesday, April 10, 2007 2:38 PM
>> Subject: Re: [Supras] Koyo Radiator...
>>
>>
>> > From what I understand the mechanical fan will always pull much more 
>> > air
>> > than any electric fan setup. Simpler too.
>> > Im having trouble accepting why being closer to the core would cause 
>> > the
>> > mechanical fan to always be engaged. Is this a commonly accepted
>> > statement?
>> > Maybe in city congestion which I avoid.
>> > I havent experienced that with other cars. Seems like if thats possible 
>> > it
>> > wouldnt be much of a factor at hwy speeds with all the air blowing in
>> > anyways.
>> >
>> >
>> > ----- Original Message ----- 
>> > From: "Harley" <CoolGuyHB at socal.rr.com>
>> > To: "Wade Tobin" <wwt3198 at yahoo.com>; <supras at supras.com>
>> > Sent: Tuesday, April 10, 2007 4:40 AM
>> > Subject: Re: [Supras] Koyo Radiator...
>> >
>> >
>> >> Yeah I definately want the electric cooling fans... Are they easy to
>> >> install? And what brand would be recomended?
>> >>  ----- Original Message ----- 
>> >>  From: Wade Tobin
>> >>  To: Harley
>> >>  Sent: Tuesday, April 10, 2007 12:09 AM
>> >>  Subject: Re: [Supras] Koyo Radiator...
>> >>
>> >>
>> >>  I agree but I think the Koyo looks better than the Fluidyne.  I have 
>> >> the
>> >> Koyo in the 90T and Fluidyne in the 85.  If I had to do it again both
>> >> would have Koyos.  Just remember when you upgrade to either, buy some
>> >> electric fans or else the mechanical stock will always be engauged -
>> >> being close to the core.
>> >>
>> >>  Harley <CoolGuyHB at socal.rr.com> wrote:
>> >>    Was there someone on this list wondering about the Koyo radiator?
>> >> Well...
>> >>
>> >>    I have one installed in my 87t and it works beautifuly.It's built
>> >> identically to the stock one except it cools a lot better. My car 
>> >> hasn't
>> >> heated up at all even doing 120 on the 405 chasing after an S Mini
>> >> Cooper.... The cooper won if anyone was wondering. :-\ Those things
>> >> book... real fast. I'm actually looking to get a fluidyne only because 
>> >> it
>> >> looks cooler :). As far as the Koyo goes. I would recomend it... It's 
>> >> a
>> >> great product for the price.
>> >>
>> >>    -Harley(87t)
>> >>    _______________________________________________
>> >>    Supras mailing list
>> >>    Supras at supras.com
>> >>    http://supras.com/mailman/listinfo/supras_supras.com
>> >>
>> >>
>> >>
>> >>
>> >>
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