New LPFP Controler

May 4, 2017
1,740
752
Plano TX
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#1
So who wants to get us some info on this? Looks to be a programmable EKP2 replacement that is integrated into the CAN BUS that can inherently control 2 DW400's or 2 Walbro 450's.

No more hobbs switch?

No more tapping into hot leads to power a second pump?

Maybe it's full time PWM control of both pumps at all times?

I have questions....

http://instagr.am/p/Bi77MLkg-RJ/
 

LoBoost

Corporal
Dec 22, 2017
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#2
Hopefully all the above. I think I either need this, or I'll figure out what AUX pins on Syvecs will trigger a relay to kick on the extra pumps.
 

Milan

Corporal
Dec 24, 2016
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jebi se
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#3
I think Precision Raceworks has been working on one of these forever now. Would be a cool upgrade for sure.
 

LoBoost

Corporal
Dec 22, 2017
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#5
So I emailed Torqbyte and asked if they could PWM control two pumps simultaneously. This is the reply:

Hi Matthew,
Yes it is. We have a special parallel Y pump harness for N54 applications. You can see a photo of it on our Instagram page.
The only thing gating the N54 release is some software testing we plan to complete in the next 2 weeks. Otherwise that will be the first BMW platform we suport.
Thanks
Alex
Torqbyte.com
 

LoBoost

Corporal
Dec 22, 2017
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#6
Wonder if @[email protected] can modify his bucket-less brackets to hold two dw400 pumps. Two dw400’s should be able to support a lot of power.
 

LoBoost

Corporal
Dec 22, 2017
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#7
One more reply, I asked how many amps it could handle:

It comes with a 40A fuse. You shouldn't need to (even with 2x DW400s) but if required you can run a 50A fuse as long as the unit is mounted relatively close to the fuel sender (under 3ft).
 
May 4, 2017
1,740
752
Plano TX
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#9
I wonder if it could control 3 pumps
Not with a 40a/50a max load rating.

But lets get real, a single Walbro 450 can push 600hp worth of e85...do you need 3 of those? Does anyone need 3 of those on this platform? People are hitting other limits of the LP fueling system and instead of properly addressing those limits they are just adding another pump.
 
Jan 28, 2018
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Parts unknown
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#11

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Erichale77

Lieutenant
Nov 14, 2016
686
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Clearwater, FL
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#12
Not with a 40a/50a max load rating.

But lets get real, a single Walbro 450 can push 600hp worth of e85...do you need 3 of those? Does anyone need 3 of those on this platform? People are hitting other limits of the LP fueling system and instead of properly addressing those limits they are just adding another pump.
I am well aware of that and yes I do need 3. Alex at torqbyte got back to me and answered my questions. I have a solution now.
 
Mar 24, 2018
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#14
Has anyone thought about relocating the fuel pump to the engine bay?

The MagnaFuel MP-4303 is a high hp capible external pump that could work for this idea. I was thinking that you could replace the OEM fuel pump with a fuel hose that gets tied down to the bottom of the bucket, then add new -5an/8an fuel line from the tank to the engine bay, then you install the mp-4303 in the engine bay with a fuel pressure regulator that then connects to the hpfp. Seems like a cheaper and more reliable solution over 3 pumps, hobb's switch/control modules.
 

pysical

Corporal
Jun 16, 2017
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#18
Not with a 40a/50a max load rating.

But lets get real, a single Walbro 450 can push 600hp worth of e85...do you need 3 of those? Does anyone need 3 of those on this platform? People are hitting other limits of the LP fueling system and instead of properly addressing those limits they are just adding another pump.
2 Walbro 450s is enough to power 1000+hp.
 

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