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  #571  
Old 03-05-2021, 10:34 PM
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Quote:
Originally Posted by camcojb View Post
So I have the Holley Dominator EFI and a Ron Davis radiator with dual Spal brushed fans. What else would be needed to make this work?
Depending on which Spal fans you have you, you might be able to use one C6 fan controller for both. If the combined amp draw of both fans exceeds 32 amps, you will need two C6 fan controllers.

By the time you get two controllers (unless you want to go junk car hunting...the Ford Fusion used the same controller) you might be better off selling the fans you have and going with the new brushless fans.

The C7 fan should fit a Chevelle radiator size well or perhaps the Chevrolet Volt dual 12" setup. The new fans have the controllers built in. I have several customers using the C7 fan and Holley EFI. The C7 fan is 600 watts and the Volt fans are 300 watts each.

I plan on updating the GTO this spring and will likely use the Volt fans.

Andrew
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  #572  
Old 03-05-2021, 10:55 PM
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Thanks Andrew. My plan was to use the PWM controller that Northern Radiator sells with development from Carl at Vaporworx. It will work with everything I already have. Do love the idea of PWM fan control, wish that Holley had it built into their ECU; they have controls for nearly everything else lol.
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  #573  
Old 03-05-2021, 11:04 PM
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Carl's controller is a standalone unit and so it doesn't need anything from the Holley EFI.
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  #574  
Old 03-06-2021, 12:20 AM
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Quote:
Originally Posted by andrewb70 View Post
Carl's controller is a standalone unit and so it doesn't need anything from the Holley EFI.
Correct.
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SPECIAL THANKS TO:
Jacob Ehlers and Amsoil for the lubricants and degreasers for my 70 Chevelle project
Shannon at Modo Innovations for the cool billet DBW bracket
Roadster Shop for their Chevelle SPEC Chassis
Dakota Digital for their Chevelle HDX Gauge Package
Painless Performance for their wiring harness

Ron Davis Radiators for their radiator and fan assembly.
Baer Brakes for their front and rear brakes

Texas Speed and Performance for their 427 LS Stroker
American Powertrain for their ProFit Magnum T56 kit
Currie Enterprises for their 9" Third Member
Forgeline for their GF3 Wheels
McLeod Racing for their RXT street twin clutch
Ididit for their steering column
Holley for their EFI and engine parts
Lokar and Clayton Machine for their pedals and door and window handles
Morris Classic Concepts for their 3 point belts and side mirrors
Thermotec for their heat sleeve and sound deadening products
Restomod Air for their Tru Mod A/C kit
Mightymouse Solutions for their catch can
Magnaflow for their 3" exhaust system
Aeromotive for their dual Phantom fuel system
Vintage Air for their new Mid Mount LS front drive
Hydratech Braking for their hydroboost system
Borgeson for their stainless steering shaft and u joints
Eddie Motorsports for their hood and trunk hinges and misc parts
TMI Products for their seats, door panels, and dash pad
Rock Valley Antique Auto Parts for their stainless fuel tank
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  #575  
Old 03-06-2021, 12:22 AM
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Quote:
Originally Posted by andrewb70 View Post
Carl's controller is a standalone unit and so it doesn't need anything from the Holley EFI.
Correct. I was hoping that the Holley could do it, but if I have to buy a controller and possibly change fans it's easier to use Carls setup.
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PAST CAR PROJECTS

Like Lateral-G on Facebook!

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SPECIAL THANKS TO:
Jacob Ehlers and Amsoil for the lubricants and degreasers for my 70 Chevelle project
Shannon at Modo Innovations for the cool billet DBW bracket
Roadster Shop for their Chevelle SPEC Chassis
Dakota Digital for their Chevelle HDX Gauge Package
Painless Performance for their wiring harness

Ron Davis Radiators for their radiator and fan assembly.
Baer Brakes for their front and rear brakes

Texas Speed and Performance for their 427 LS Stroker
American Powertrain for their ProFit Magnum T56 kit
Currie Enterprises for their 9" Third Member
Forgeline for their GF3 Wheels
McLeod Racing for their RXT street twin clutch
Ididit for their steering column
Holley for their EFI and engine parts
Lokar and Clayton Machine for their pedals and door and window handles
Morris Classic Concepts for their 3 point belts and side mirrors
Thermotec for their heat sleeve and sound deadening products
Restomod Air for their Tru Mod A/C kit
Mightymouse Solutions for their catch can
Magnaflow for their 3" exhaust system
Aeromotive for their dual Phantom fuel system
Vintage Air for their new Mid Mount LS front drive
Hydratech Braking for their hydroboost system
Borgeson for their stainless steering shaft and u joints
Eddie Motorsports for their hood and trunk hinges and misc parts
TMI Products for their seats, door panels, and dash pad
Rock Valley Antique Auto Parts for their stainless fuel tank
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  #576  
Old 01-07-2022, 11:45 AM
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So after re-reading all 58 pages of this thread is there a consensus on if a late (2019-20) version GMPP connect & cruise E67 will work ? The last failed or maybe frustrating is a better term, efforts were back in 2017 if memory serves.

Has anyone had success lately? And if so, what was the fix? Other than of course sourcing a junkyard E67?

Thanks
Mike
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  #577  
Old 02-10-2022, 08:57 AM
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Quote:
Originally Posted by parsonsj View Post
So, here's what I've learned last night/today. My E67 (GM PN 12636660) started life intended for 07-08 Hummers. I think it's true that 07-08 E67s are incompatible with OS's written for 09+ E67s.

Given that, it seems I'm stuck. Getting a later E67 and a newer OS (like from a ZR1) is beyond my current abilities, I think.

I have read that HPTuners has an OS patch to support PWM fans, but I can't seem to find any such animal.

Anyway, that's the situation as I see it. Am I wrong? Would it be doable to get GM's ZR1 tune working with my crate motor LS9 if I got a newer E67?

Paging Dave Mikels, paging Dave Mikels. Dave Mikels to the E67-challenged section, please!

thanks!
So touching on the whole E67 GMPP ECM's being unable to run PWM fans, is this specific to that older version of the ECM? (12636660)

My ECU is GM PN 19354333, does anyone know if they made revisions to the software that now allows PWM control of the fans?
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  #578  
Old 02-10-2022, 02:25 PM
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I never attempted it again. Even with on/off fan control I have been using Dakota Digital controllers instead of the ECU as the existing strategy in the ECU is so colossally dumb and cannot be changed.
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  #579  
Old 03-16-2022, 12:07 PM
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Default Current (2021) GMPP E92 PWM possible or not?

So, this is a very long thread, but a question that still isn't clear to me is whether a current GM LT4 Crate harness with E92 can support PWM? It appears that only fan relay control is provided (from instruction manuals). Can a PWM signal be pirated off the harness for SPAL brushless fan control somehow?
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  #580  
Old 03-16-2022, 12:36 PM
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Quote:
Originally Posted by andrewb70 View Post
Carl's controller is a standalone unit and so it doesn't need anything from the Holley EFI.
Andrew, is this not the same as what you did with my Term X and my Spal brushless? Or something completely different and I should delete this.. lol
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