good pwm manufacturer - Team Camaro Tech
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post #1 of 11 (permalink) Old May 20th, 19, 09:19 AM Thread Starter
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Steve
 
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good pwm manufacturer

I had determined that I would put a PWM control on the fan and started looking for potential suppliers. With only professor google as a resource so far I have discover that this is a pretty neat item that should you find one that holds up or has good support it can be an asset. Have any of you bought one of these things in the last couple years that has held up and has support you can actually communicate with?

67RSSS......owned since 69. A basket case for most of it.
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post #2 of 11 (permalink) Old May 20th, 19, 12:03 PM
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Don
 
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Re: good pwm manufacturer

I have a DCC controller but support is sketchy at best. Havenít had any issue that require support though.

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
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post #3 of 11 (permalink) Old May 20th, 19, 02:31 PM Thread Starter
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Re: good pwm manufacturer

I cant tell if they even exist Don. Since the post a little while ago that got me on this path i have sent a few inquires their way. After the first one they were just fishing to see if anyone existed there. No phone number, just a support email address and a paypal gateway.

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post #4 of 11 (permalink) Old May 20th, 19, 03:01 PM
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Re: good pwm manufacturer

Quote:
Originally Posted by 3d cad View Post
I cant tell if they even exist Don. Since the post a little while ago that got me on this path i have sent a few inquires their way. After the first one they were just fishing to see if anyone existed there. No phone number, just a support email address and a paypal gateway.
Yep. You place your order and get your parts. Next to no contact otherwise.

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
1969 Mustang Sportsroof project
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post #5 of 11 (permalink) Old May 20th, 19, 03:41 PM Thread Starter
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Re: good pwm manufacturer

So thats normal eh? Interesting business model. Your experience with this has been good?

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post #6 of 11 (permalink) Old May 20th, 19, 04:11 PM
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Re: good pwm manufacturer

Mine works great. Ramps the fans up and down as needed.

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
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post #7 of 11 (permalink) Old May 20th, 19, 04:41 PM
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Re: good pwm manufacturer

I'm using a Davies Craig controller for my fans. It's been working great.
Turns the fans on/off as needed (one comes on, then the other a few seconds later) and I have them programed at 175* and off at 165* (I think) Pretty cool when I stop somewhere and the fans stay on until the temp drops to where they turn off (similar to a new car)
(comes with a probe to go in radiator or the other one has a probe to go in the head/block)

Can find at Amazon, SummitRacing, Jegs, ETC

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post #8 of 11 (permalink) Old May 20th, 19, 06:32 PM
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Re: good pwm manufacturer

I like the Dakota Digital Dual Fan Control Works like Dougs. I stage the fans. It has AC fan on connection and you can program fan run time after engine off.

Piggybacks off you gauge sender so you don't need a seperate sender for fan control.

Tied t0 the DD gauges and VSS fans turn off at speed. I set mine to turn off at 40 mph

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post #9 of 11 (permalink) Old May 20th, 19, 06:52 PM
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Re: good pwm manufacturer

As much as you guys like those controllers they are not PWM controllers. PWM controllers offer continuously variable fan speed and are generally much quieter than relay based solutions. OEMs moved to PWM fan controllers years ago. Same with fuel pump controllers, they are PWM also.

Don

1969 Camaro LSA 6L90E AME subframe and IRS
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post #10 of 11 (permalink) Old May 20th, 19, 07:12 PM
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Re: good pwm manufacturer

Quote:
Originally Posted by dhutton View Post
As much as you guys like those controllers they are not PWM controllers. PWM controllers offer continuously variable fan speed and are generally much quieter than relay based solutions. OEMs moved to PWM fan controllers years ago. Same with fuel pump controllers, they are PWM also.

Don
Yep PWM is a better way to go but really not needed in the builds most of us are doing.

I been building and running cars with the staged dual fans and Walbro/Corvette Filter/Reg without an single failure for many years.

My next build will be PWM just for the heck of it.

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post #11 of 11 (permalink) Old May 21st, 19, 08:02 AM
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Re: good pwm manufacturer

not sure of your engine choice, but i use 1 of these on my carb'd big block.

https://www.lingenfelter.com/product...l#.XOQELCBKjIU

keeps it right at 190 in every situation i have encountered. i use it with a c6 corvette pwm fan and a stock controller. i have also
used a ford fan and controller it works the same as the controllers are interchangeable between fans. you do have to wire up a relay and a fuse but the soft start of the fan does not pull as many amps as a non pwm fan on start up. also needs a temp sensor in the intake or head for activation. i mounted all the wiring on the core support and put my washer bottle in front of it to hide it.
probably not the cheapest option but it works well for a stand alone unit.

oh, i do run a griffin aluminum radiator with it. made and welded on mounts for the fan to bolt to the radiator.
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