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FLOW
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Highest flowing brushed in-tank pump on the market
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500 LPH at 0psi
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415 LPH at 40psi
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350LPH at 80psi
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Can support up to more than 1,000 HP on gas and 750 HP on e85
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Outflows Walbro 450 “e85” by an average of 31% from 70-100psi
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5% at 40psi
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18% at 70psi
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56% at 100psi
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QUALITY
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Made in Germany through collaboration with Bosch Aftermarket
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Exceeds specifications of SAEJ1537
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Compatible with pump gas, e85, and race fuels
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Carbon commutators and brushes, fully encapsulated machine balanced armature, composite turbine impeller.
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EASE
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3-yr DW comprehensive warranty and technical support
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46mm diameter is 16% smaller footprint than Walbro450
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Compatible with pulse width modulated pump controllers
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Universal fitment kit included (filter, wiring harness, hose, and clamps)
Additional Considerations
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Wiring – A 400+ LPH pump draws substantial current (16-20 amps at typical operating pressures). Make sure your chassis wiring is up to the task of delivering this much current. A DW hardwire kit (part number FPHWK) is an inexpensive insurance policy.
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Size – The DW400 is a 46mm diameter pump. Standard in-tank pumps are 39mm diameter. Modifications to the fuel pump module will be necessary on some applications.
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Universal Fitment – Unlike other DW in-tank pumps, The DW400 is not an application-specific fitment pump.
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Check-valve – the DW400 does not have in internal check valve. An in-line check valve may be necessary for easy engine starts in some applications.