New DW 400 Fuel Pump!
- Thread starter Nick Micale
- Start date
SpeedRacerX
Well-Known Member
- Joined
- Jan 20, 2014
Subscribed. Great data "flowing" here.
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Looks like my tank on the floor, I guess my car will be the test mule. Richard drop a new motor in my car two weeks ago. We were talking about putting that DW400 in instead of the new double pumper I just bought. I said why not if the testing went ok l wouldn’t have put in bigger fuel lines. Will see.
I have a call out, waiting to hear back
plans are to do final testing tomorrow night
All I need to know is if and how the 400 will work with 160# injectors on e85
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JDSfastGN
Well-Known Member
- Joined
- Jun 16, 2001
Same, and also has anybody posted comparable test to the walbro 450? I read earlier that it put out a lot more but i didn't see the data unless i missed it. The Walbro chart shows a comparable 355 at 70 psi and 13.5 volts and an independent test showed 340ish. Thanks!
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finally finished the testing on the 400 here are the numbers with the pump mounted in stock hanger feeding the STOCK FUEL LINES measured at the rail inlet. measurements are in gallons per hour.
At 14 volts 84 gallons at 65 psi and 79 gallons at 75 psi.
At 13.5 volts 81 gallons at 65 psi and 75 gallons at 75 psi.
At 13 volts 77 gallons a 65 psi and 70 gallons at 75 psi.
I will do the math later for those that need it but this pump will obsolete big hanger and line upgrades in all but the really big cars. The electro-mechanical efficiency of this pump is so high that at 14 volts it only draws 18 amps at 75 psi pumping 79 gallons an hour and at 13 volts pumping 70 gal an hour it only draws 17 amps
The DW400 is now running in my car, with the stock fuel lines. I did ask for a conservative tune on the dyno, at the monent 675 FWHP and the fuel pump is not even breathing hard. Again with the stock fuel lines. More details to come as to how this pump works with the stock return line.
seedling
Well-Known Member
- Joined
- Jun 17, 2012
WOW!! That’s some serious fuel for one pump!! Bad ass pump no doubt, huh?!
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- Joined
- May 26, 2001
We have done 1/2 dozen 400 pumps the past few weeks and sent some to Richard Clark for his customer's!
434nova
Active Member
- Joined
- Sep 30, 2013
What of kind of power are they making with a single dw400 on e85?
- Joined
- May 26, 2001
With the proper fuel lines, wiring and voltage , the DW400 should be capable of 1000 HP.
A stock-type sender unit even modified cannot be up to enough flow for 1000 HP.
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If you aren’t in a rush I have a new pump for sale with a new hanger/sender. I can save you some money. Send me a pm if you want more details.
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