DRR Sportsman
| My belt pump is at full pressure on the chip at 4400
Denis LeBlanc
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| | | Posts: 508 | Location: Manchester, NH | Registered: February 03, 2006 | 
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DRR Trophy
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| | | Posts: 7 | Location: At the track | Registered: December 23, 2016 |
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DRR Sportsman
| quote: Originally posted by DragRaceResults:
It's my thought that a return style regulator should keep the pressure the same (approximately) no matter what the RPM. That is as long as the return line is big enough to bleed off the excess fuel required to keep the pressure at the desired setting. That is why most High Volume systems like the Aeromotive states specifically to use a #10 return.
That's true with a constant flow system with an electric pump. A belt drive pumps output increases with rpm, so does pressure. (usually) The poppet (or diaphragm) sets the idle pressure. A jet is used to control (increase) the pressure at higher rpm. This is useful with alky carbs.
I used to be a people person, but people ruined that.
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| | | Posts: 225 | Location: Usually home | Registered: January 27, 2013 |
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