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Bracket Talk Bracket Talk Forum Tech Talk - by Abruzzi BG 400 fuel pump on 16volts?Go | New | Find | Notify | Tools | Reply | |
| BG 400 fuel pump on 16volts? | Login/Join |
DRR Trophy |
Can I run a BG 400 fuel pump on 16 volts with out hurting it? Bob Seamons | ||
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DRR Trophy |
https://www.smileysracing.com/...oads/get.aspx?i=8831 According to this, it is an option. | |||
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DRR S/Pro |
I can't imagine how much my Magnafuel pump would put out on 16v. It's pretty stout on 12. ____________________________ 2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion 2018 Div4 Goodguys Hammer award winner | |||
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DRR Sportsman |
I would definitely run a by pass regulator it will eat itself up with a dead head regulator Working for the Weekend!!!! Fordyce Motorsports | |||
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DRR Sportsman |
The Barry Grant has a bypass regulator built on the pump. I would however use the largest regulator possible at the carb Jeremiah Hall | |||
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| DRR S/Pro |
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. | |||
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DRR S/Pro |
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 | |||
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| DRR S/Pro |
I'd say 24 is OK too but if you want to try their light spring it's MP-8050-04. | |||
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| DRR S/Pro |
Thanks for the info Top. I had no idea about their low pressure spring either. ____________________________ 2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion 2018 Div4 Goodguys Hammer award winner | |||
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| DRR S/Pro |
Thanks Top, Summit has it in stock at my Arlington Tx warehouse, $8.25. I will stop by and get it | |||
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| DRR S/Pro |
Now if I could only get you to try MT's. Sorry, couldn't resist!  Let us know how it works. | |||
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| DRR S/Pro |
Now thats hilarious  | |||
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| DRR Sportsman |
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. | |||
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| DRR S/Pro |
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 | |||
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DRR Top Comp |
Definitely always run return style regulator even if pump has a bypass. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. 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. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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| DRR Sportsman |
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. | |||
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DRR Pro |
there are many ways to drop the voltage some honesty is the best policy,insanity is a better deffense 1.036, 6.16@ 224 | |||
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| DRR Pro |
Barry Grant said you could not… | |||
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| DRR Pro |
so you can only run it on 16 volts honesty is the best policy,insanity is a better deffense 1.036, 6.16@ 224 | |||
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| DRR Pro |
No 12 per BG… | |||
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Bracket Talk Bracket Talk Forum Tech Talk - by Abruzzi BG 400 fuel pump on 16volts?
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