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BG 400 fuel pump on 16volts?
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DRR Trophy
Picture of Dragn
posted
Can I run a BG 400 fuel pump on 16 volts with out hurting it?


Bob Seamons
 
Posts: 207 | Location: In the Garage | Registered: December 31, 2001Reply With QuoteReport This Post
DRR Trophy
Picture of CAD
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quote:
BG 400 fuel pump on 16 volts


https://www.smileysracing.com/...oads/get.aspx?i=8831

According to this, it is an option.
 
Posts: 129 | Location: Omaha NE | Registered: October 31, 2009Reply With QuoteReport This Post
DRR Pro
Picture of CURTIS REED
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I can't imagine how much my Magnafuel pump would put out on 16v. It's pretty stout on 12.



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Posts: 2965 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
DRR Sportsman
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I would definitely run a by pass regulator it will eat itself up with a dead head regulator


Working for the Weekend!!!!
Fordyce Motorsports
 
Posts: 257 | Location: Williamstown, NJ | Registered: November 20, 2009Reply With QuoteReport This Post
DRR Sportsman
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quote:
Originally posted by diceman1530:
I would definitely run a by pass regulator it will eat itself up with a dead head regulator


The Barry Grant has a bypass regulator built on the pump. I would however use the largest regulator possible at the carb


Jeremiah Hall
 
Posts: 711 | Location: Evansville, IN | Registered: February 24, 2010Reply With QuoteReport This Post
DRR S/Pro
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For any electric pump when going to a 16v system, re-adjust the pump by-pass pressure! For Magnafuel pumps, they also offer a lower pressure by-pass spring for this application! As long as you can reset the by-pass pressure down to 18 to 21 psi your good to go with no other mods. Typically you want about 3 times the pressure that the carb sees.

I know of a number of racers running 16v systems with a dead head regulator with no issues.
 
Posts: 2161 | Location: Tewksbury, MA,USA | Registered: November 03, 2000Reply With QuoteReport This Post
DRR S/Pro
Picture of Big Steve
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My new truck I built has a Magnafuel 500 with a dead head regulator on 16 volts. The lowest I could get the pump bypass regulator was 24 psi and was told that was fine. I didnt know they had a different spring available
 
Posts: 2438 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post



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quote:
Originally posted by Big Steve:
My new truck I built has a Magnafuel 500 with a dead head regulator on 16 volts. The lowest I could get the pump bypass regulator was 24 psi and was told that was fine. I didnt know they had a different spring available


I'd say 24 is OK too but if you want to try their light spring it's MP-8050-04.
 
Posts: 2161 | Location: Tewksbury, MA,USA | Registered: November 03, 2000Reply With QuoteReport This Post
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Thanks for the info Top. I had no idea about their low pressure spring either.



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Posts: 2965 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
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Thanks Top, Summit has it in stock at my Arlington Tx warehouse, $8.25. I will stop by and get it
 
Posts: 2438 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post
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quote:
Originally posted by Big Steve:
Thanks Top, Summit has it in stock at my Arlington Tx warehouse, $8.25. I will stop by and get it


Now if I could only get you to try MT's.

Sorry, couldn't resist! Big Grin

Let us know how it works.
 
Posts: 2161 | Location: Tewksbury, MA,USA | Registered: November 03, 2000Reply With QuoteReport This Post
DRR S/Pro
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quote:
Originally posted by TOP38:
quote:
Originally posted by Big Steve:
Thanks Top, Summit has it in stock at my Arlington Tx warehouse, $8.25. I will stop by and get it


Now if I could only get you to try MT's.

Sorry, couldn't resist! Big Grin

Let us know how it works.


Now thats hilarious Laughing Hard
 
Posts: 2438 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post
DRR Sportsman
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I went to a magnafuel 500 on 16v and had nothing but troubles. Spent a small fortune on regulators and -12 lines at the advice of Aeromotive and MF. Nobody could figure it out. Had a 500 dollar new to market regulator from MF and it still wouldn't regulate properly thru a run.

12v it was fine.

Went to belt driven pump this winter.

I would avoid 16v with electric pump.
 
Posts: 1444 | Location: St Marys | Registered: January 12, 2004Reply With QuoteReport This Post
DRR S/Pro
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Installed the lighter bypass regulator spring today that Top38 recommended. It had a standard spring that was cut down in it.
With the lighter spring at the same setting pressure was still 24lbs, if I backed the regulator off much more then it would start to leak thru the threads.
Cut the lighter spring down a few coils and was able to get the pressure down to 21lbs, that was lowest I could get it.
I got the new converter installed and will go test next week
 
Posts: 2438 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post



DRR Top Comp
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quote:
Originally posted by diceman1530:
I would definitely run a by pass regulator it will eat itself up with a dead head regulator



Definitely always run return style regulator even if pump has a bypass.


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Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue.

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Posts: 4044 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR Sportsman
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Steve, on that pump according to a guy I talked to on the tech line. If the light spring still makes too much pressure, remove the hose and bypass fitting from the pump. The place where the bypass hose attaches, enlarge the hole in the fitting a little. Iirc it’s 3/8 so ream it to 7/16. That will lower the pressure because it allows a greater volume of bypass.
 
Posts: 501 | Location: Going to or returning from the chipmine. | Registered: July 01, 2011Reply With QuoteReport This Post
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there are many ways to drop the voltage some


honesty is the best policy,insanity is a better deffense
1.036, 6.16@ 224

 
Posts: 1416 | Location: texas | Registered: February 17, 2006Reply With QuoteReport This Post
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Barry Grant said you could not…
 
Posts: 1264 | Location: USA | Registered: December 04, 2008Reply With QuoteReport This Post
DRR Pro
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quote:
Barry Grant said you could not…

so you can only run it on 16 volts


honesty is the best policy,insanity is a better deffense
1.036, 6.16@ 224

 
Posts: 1416 | Location: texas | Registered: February 17, 2006Reply With QuoteReport This Post
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No 12 per BG…
 
Posts: 1264 | Location: USA | Registered: December 04, 2008Reply With QuoteReport This Post
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