[Supras] A/C booster fans

[Peter]

yeah, thats what I meant.
and about adding the tempswitch, that sounds pretty simple, just like I like 
things.

----- Original Message ----- 
From: "Jim Jobe" <jjobe2 at supratech.org>
To: "Peter" <psantos at cfl.rr.com>
Cc: "Eric Boeck" <eboeck at cogeco.ca>; <supras at supras.com>
Sent: Tuesday, August 01, 2006 5:53 PM
Subject: Re: [Supras] A/C booster fans


>
> they are controlled by a temp switch in the t-stat housing in addition
> to being activated with the a/c.  as for will they come on with the motor
> off - yes, with the key off and out - not on my car.  How to change it -
> add another temp switch and relay to provide power to the fans from the
> battery.
>
> all engines heat soak once they're shut off and the coolant will start
> to boil if there is no additional pressure on it.  If the rad cap is
> leaking the pressure in the cooling system will reduce to atm and the
> coolant may start to boil - this is actually pretty common and not
> much to worry about unless it spits coolant out past the rad cap.
>
> On Tue, Aug 01, 2006 at 05:46:00PM -0400, Peter wrote:
>> Id like to know the answer to your question about the fans being
>> thermostatically controlled and how to possibly convert. My stock set up
>> doesnt come on with the car off.
>> It sounds like you are running at borderline temps and when you turn the 
>> car
>> off your going into boiling range. Either that or your rad cap is not
>> functioning like the previous responses indicated.
>>
>> ----- Original Message ----- 
>> From: "Eric Boeck" <eboeck at cogeco.ca>
>> To: <supras at supras.com>
>> Sent: Tuesday, August 01, 2006 8:35 AM
>> Subject: [Supras] A/C booster fans
>>
>>
>> > Hey Guys,
>> >
>> > Are those two little electric fans thermostatically controlled?  And do
>> > they
>> > run if the engine is hot but turned off?  I ask b/c with this heat wave
>> > going thru here, yesterday when I used the A/C (retro'd to 134a), then
>> > turned off the car and came back 10 min later, the rad was boiling.
>> > Literally boiling and just a-bubblin vapour out the overflow!!!!  Rad <
>> > 10kkm, new cap, engine temp was normal.  All I can think is that heat
>> > built
>> > up between the condensor and rad, and caused it to boil the fluid.
>> >
>> > Noooo, it's not a BHG.  Checked that a little while back (sniffer). 
>> > And
>> > there is NO way you'd get this much bubbling with a BHG.  I mean a 
>> > roiling
>> > boil!!!
>> >
>> > Anyway, anyone retrofit a temp sensor to keep the fans on if the temp
>> > behind
>> > / between the rad was over a certain amount?  Thinking I might need to 
>> > do
>> > that.  Set it for say, 80 deg C, and use a relay to keep those fans on
>> > until
>> > it drops below that.
>> >
>> > LMK
>> >
>> > Eric
>> > 91T
>> > _______________________________________________
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>> > Supras at supras.com
>> > http://supras.com/mailman/listinfo/supras_supras.com
>> >
>> >
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