[Supras] Koyo Radiator...

[Jim Jobe]

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)
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> >>
> >>
> >>
> >>
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> 
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