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#1
03-16-2010, 03:13 AM
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High Volume fuel pumps.
Are high volume pumps any benefit over an OEM pump? or is that mainly for carbed engines?
__________________
RIP: 80 300SD RIP: 79 450SEL 2002 E430 4matic (212,000km) 2002 ML500 'sport'  ____________________________ FACEBOOK: PANZER450 
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#2
03-16-2010, 09:17 AM
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carbed engines use low pressure pumps in the 3-8 psi range and upgrading from stock psi will require a add-on fuel pressure regulator
fuel injection use high pressure pumps in the 30-80 psi range and all are controlled by the fuel pressure regulator high volume pumps might last longer as they don't have to work as hard
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1989 300ce smoke silver / brazil, in a constant state of flux ~~~
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#3
03-17-2010, 02:35 PM
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if you are turboed, hf pump is a must, if std, dont waste the cash, the std merc pumps flow enough fuel for about 400 bhp if working correctly.
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ce 320 amg widebody tiwn turbo Mutty 'der nail' soon to be a six speed nail "some mods improve your car and make it into something it never was, other mods, however, although essentially the same, are not, and make that car a ricer" if your car isnt shiny, you dont know what you are talking about, remember; paint shine = knowledge. In order to be taken seriously, you should spend all your money on paint, (and get a dyno reading). Dont forget to polish it often
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#4
03-18-2010, 10:35 AM
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Quote:
But 400HP = 400HP be it NA or "Huffed"... The stock twin pumps operating in parallel or the later single pump provide more then enough volume 
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http://i19.photobucket.com/albums/b1...c/GOWIDE-1.jpg 1971 280SL ROADSTER 1988 300CE TWIN TURBO WIDEBODY 1994 E320 CABRIOLET 1999 C43 AMG 2005 G55K AMG 2008 CLK63 AMG BLACK SERIES Last edited by RBYCC; 03-18-2010 at 11:00 AM.
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