[DeTomaso] fan question
steve snclocks.com
steve at snclocks.com
Tue May 23 11:44:21 EDT 2023
HP equals heat. So, yup, upgrades don't help cool the car.
I highly recommend the aluminum radiators with dual fans offered by Pantera Performance. Our engine dyno'd at 485 hp - Pantera Performances radiator works perfectly.
Stephen
-----Original Message-----
From: DeTomaso <detomaso-bounces at server.detomasolist.com> On Behalf Of Christopher Kimball
Sent: Tuesday, May 23, 2023 8:04 AM
To: Will Kooiman <will.kooiman at gmail.com>; Mike Drew <mikeldrew at aol.com>; Scott Couchman <scottcouchman at yahoo.com>
Cc: Pantera Owners Club of America <detomaso at server.detomasolist.com>; Forest Goodhart <forestg at att.net>
Subject: Re: [DeTomaso] fan question
I wonder if the fact my engine is a 408 with a different camshaft and other upgrades has any effect on how hot it runs.
Sent via the Samsung Galaxy S9+, an AT&T 5G Evolution capable smartphone
-------- Original message --------
From: Will Kooiman <will.kooiman at gmail.com>
Date: 5/23/23 5:58 AM (GMT-08:00)
To: Mike Drew <mikeldrew at aol.com>, Scott Couchman <scottcouchman at yahoo.com>
Cc: Pantera Owners Club of America <detomaso at server.detomasolist.com>, Forest Goodhart <forestg at att.net>
Subject: Re: [DeTomaso] fan question
Here's a weird one...
My fan relay melted, and I believe the problem was a dead spot in the very old SPAL fans. I bought brand new fans and relays. All good now.
And, mine only come on when the engine is hot. I totally agree with Mike. If you have to run your fans at 35mph+, you have other problems.
Btw - I'm in the Miami area - which gets pretty hot in the summer.
On 5/22/23, 9:03 PM, "DeTomaso on behalf of Mike Drew via DeTomaso" <detomaso-bounces at server.detomasolist.com <mailto:detomaso-bounces at server.detomasolist.com> on behalf of detomaso at server.detomasolist.com <mailto:detomaso at server.detomasolist.com>> wrote:
Scott,
Out of curiosity, do you also drive with your headlights on at all times? :) :) :)
Mike
Sent from my iPad
> On May 22, 2023, at 17:36, Scott Couchman via DeTomaso <detomaso at server.detomasolist.com <mailto:detomaso at server.detomasolist.com>> wrote:
>
> I made this change years ago. I live in Southern California where the weather is usually warm. I had a relay fail once while driving and the car started to overheat. I didn’t see much benefit to not running the fan constantly, so mine both come on with the ignition switch and my engine runs cool.
>
>> On May 21, 2023, at 6:02 PM, Christopher Kimball <ChrisVKimball at msn.com <mailto:ChrisVKimball at msn.com>> wrote:
>>
>> Thanks, Forest. But I want to try and avoid cutting into the relay
>> wires or having to run a whole new set of wires or even one wire, to
>> the relay. Also, if I can do what I'm hoping by just adding 12v to
>> the A/C input on the DD box, eventually I can buy another dakota
>> digital box that works and just replace the one that's there now,
>> without having to run new wires everywhere. Sincerely, Chris
>>
>> Sent via the Samsung Galaxy S9+, an AT&T 5G Evolution capable
>> smartphone
>>
>> -------- Original message --------
>>
>> From: Forest Goodhart <forestg at att.net <mailto:forestg at att.net>>
>>
>> Date: 5/21/23 6:09 AM (GMT-08:00)
>>
>> To: Pantera Owners Club of America <detomaso at server.detomasolist.com
>> <mailto:detomaso at server.detomasolist.com>>,
>> Christopher Kimball <chrisvkimball at msn.com
>> <mailto:chrisvkimball at msn.com>>
>>
>> Subject: Re: [DeTomaso] fan question
>>
>> Chris,
>> Which digital fan control model do you have? If you just want this
>> fan to run whenever the ignition is on you can just run the switched
>> 12 volt wire directly to the fan relay and not even use the fan
>> controller. If you want something else to happen then let me know and
>> I can help you out.
>> Forest
>> On Saturday, May 20, 2023 at 10:25:56 PM PDT, Christopher Kimball
>> <chrisvkimball at msn.com <mailto:chrisvkimball at msn.com>> wrote:
>> Hi everyone,
>> Today Doug, Mike, and Brian from PNW came over and assisted me in the
>> installation of my new thermostat, and when I say "assisted me" what
>> I mean is they did all the work and I watched...:). I really
>> appreciate their help. There was an interesting snag we hit when it
>> turned out the rear bolt holding the thermostat cover couldn't be
>> removed because part of the Edelbrock flange extended too far over
>> the bolt's head to enable the bolt to be extracted. We had to use a
>> hacksaw to literally cut away some of the aluminum so we could remove
>> the bolt to get the cover off the thermostat. I took a number of
>> pictures and will write an article about it sometime soon for
>> possible inclusion in one of the POCA publications, perhaps.
>> Thanks to all of you on the forum for all your assistance in getting
>> the correct components for the thermostat project, but here's
>> another, weird "Pandora" twist: It turned out the gasket I got from
>> summit--the expensive deluxe version--was the wrong gasket in the
>> right packaging!
>> The difference was subtle, but once we started installing the new
>> thermostat and gasket, I noticed one edge of the gasket sticking out
>> further than I thought it should. We removed it and compared it with
>> the gasket Mike brought (it was extremely fortunate he thought to
>> bring
>> it) and they were slightly different despite the fact the one Mike
>> brought was in identical packaging to the one I got from Summit!
>> Word
>> to the wise--don't believe everything you read on a package, and
>> always double-check everything.
>> Here's my latest question: I discovered my Dakota Digital fan system
>> is not working correctly, although it sort of works. What I'd like to
>> try is to see if I can get the unit to send out the correct signal to
>> the fan relay to turn on the fan (this system is used only for a
>> third, sucker fan I added years ago). What I'm considering doing is
>> taking a 12v line which is ignition-switched, and running it to the
>> "A/C input"
>> on the Dakota Digital box. That input is designed to get a 12v
>> trigger signal from the A/C unit which then turns on the fan whenever
>> the A/C system is operating. By running 12v to this input when the
>> ignition is turned on, I think I should be able to have the DD box
>> send the correct signal to the fan relay since the box will read the
>> 12v from the switched wire and think it's 12v coming from the A/C
>> system. This way whenever the car is switched on the third fan will
>> run.
>> Do you think this will work, or is the 12v coming from the A/C (the
>> "A/C trigger") different than just a straight 12v coming from an
>> ignition-switched source?
>> Thanks again for all your help!
>> Sincerely,
>> Chris
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