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11-13-2012, 07:35 PM | #1 |
Scooby Specialist
Member#: 162063
Join Date: Oct 2007
Location: Columbus, OH
Vehicle:2007 STI FR TS 8374 UGM |
Large Fuel Pumps--DW300 or new AEM?
Has anyone tried the new fuel pump made by AEM. I am looking for something that flows higher than the sub standard Walbro because I will be running 1300cc injectors with 450+whp. I have heard the DW300 is nice however knowing that the AEM just was released (cheaper than DW) did not know if it was a "get what you pay for" product?
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11-14-2012, 12:36 PM | #2 |
Scooby Newbie
Member#: 258525
Join Date: Sep 2010
Chapter/Region:
Tri-State
Location: Poughkeepsie NY
Vehicle:2004 STi-BW7670 R6-Red/White |
Based on how relatively cheap fuel pumps are to begin with, I would go with a proven pump such as the DW300. I just swapped out my 255lph with one as I am going with 1200cc injectors. Good luck.
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11-14-2012, 01:30 PM | #3 |
Scooby Guru
Member#: 51961
Join Date: Jan 2004
Chapter/Region:
RMIC
Location: Broomfield, CO
Vehicle:2005 STi 2012 WRX |
The DW300 will probably not be able to feed those injectors. It can only flow around 1100cc/inj worth of fuel (depending on boost level). Certainly better than the Walbro's 850cc/inj, but still not enough for 1300cc injectors.
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11-14-2012, 01:43 PM | #4 |
Scooby Specialist
Member#: 168101
Join Date: Jan 2008
Chapter/Region:
NWIC
Vehicle:15 BRZ Limited SS |
I'm running the DW300+ pump with DW1300 injectors, and it's fine for about 21psi on my 35R setup. It does want to drop off in voltage on the higher end though (known issue with these pumps). Some guys run a relay, some guys opt for a surge tank with another pump.
I was around 419awhp on pump gas and 502awhp on C16. So the pump can do it |
11-14-2012, 04:40 PM | #5 |
Scooby Specialist
Member#: 162063
Join Date: Oct 2007
Location: Columbus, OH
Vehicle:2007 STI FR TS 8374 UGM |
Damn it prob won't cut it. I should be pushing 500whp. Yes my block is built. What are my other options? Do I buy another walbro to run both?
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11-14-2012, 06:51 PM | #6 |
Scooby Specialist
Member#: 168101
Join Date: Jan 2008
Chapter/Region:
NWIC
Vehicle:15 BRZ Limited SS |
I plan on running a surge tank with an additional pump (in the surge tank). I did hear of a retro fitted double pump hanger for two DW300+ pumps. Never saw it, but sounded plausible.
With that kind of power I would want a surge tank |
11-14-2012, 07:21 PM | #7 |
Scooby Specialist
Member#: 162063
Join Date: Oct 2007
Location: Columbus, OH
Vehicle:2007 STI FR TS 8374 UGM |
Where can I find this surge tank....any threads on this? Guess this is set up in the trunk?
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11-14-2012, 10:12 PM | #8 |
Scooby Specialist
Member#: 168101
Join Date: Jan 2008
Chapter/Region:
NWIC
Vehicle:15 BRZ Limited SS |
Yeah you can search here. Most are custom. Radium makes a nice easy to conceal tank. I've seen a few in person, nice setups.
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