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Quantum 255LPH Fuel Pump Mercury Villager 1993 - 1998

HFP-340
Looking for an alternative to loud, unreliable, and expensive Walbro in-tanks? Try one of our HFP 255LPH high pressure fuel pumps  Proven reliability, verified pressure output by RC Engineering, and a Lifetime Warranty (unheard of in the performance fuel pump industry).  A key feature of our HFP 255LPH fuel pump is the bypass valve, which is set at a higher PSI than the Walbro line, making our pumps especially suited to turbocharged and supercharged applications, where consistent fuel pressure is a necessity.  A clean sheet vane-impeller design lends itself to quieter operation compared to other 255LPH intank pumps.  Instead of the vibrating hum that is usually associated with aftermarket fuel pumps, our pumps produce a very faint "wheen" sound during priming (when the key is first turned on) and are virtually SILENT when the engine is running.  All of our fuel pumps are QS9000 quality certified, and include vehicle specific installation kits.

This is the exact same pump we run in our 86 LX Coupe shop car powered by a Ford Racing 5.0L Coyote motor which makes 407rwhp/388rwtq.  Members on http://www.corral.net are using this pump with supercharged/ turbocharged combos making over 500rwhp.

Refer to the flow tests below done by RC Engineering.  The higher the pressure, the more our pumps outflow their Walbro equivalent.

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Description

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Suggested Add-On

 

Quantum Inline High-Flow Viton Fuel Pump Check Valve 8mm / 5/16"

HFP-FT3

 

A common side effect of high volume (and OEM) intank fuel pumps are their inability to maintain static fuel pressure when the vehicle sits for any extended period of time.  This leads to a "hard starting" condition where the starter must engage continuously for 3-4 seconds (or longer) before the motor will finally start.  This side effect is commonplace with all high performance, high volume fuel pumps including Walbro, AEM, Aeromotive, and Quantum fuel pumps.  Our check valve resolves this issue once and for all, and can be used either intank, or externally.  It features a high-flow design which uses viton seals and stainless steel internals which are compatible with modern pump gasoline as well as E85.  This check valve will not significantly alter the flow capabilities of your pump, but it will make sure that the car starts instantly, every single time.  We recommend installing an inline check valve even with a brand new pump, so the tank doesn't need to be dropped again a few months later.

  

 

 

 

Extended Description

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Specifications:

Noise Level: Nearly Silent

Condition: 100% BRAND NEW
Design: Intank
Flow: 255LPH
Minimum Voltage: 12V
Operating Pressure: 15-100 PSI - final fuel pressure set by regulator

Warranty: LIFETIME

Dimensions:

4 3/4" Long from inlet tip to outlet tip
3 1/8" Long for the metal case
1 5/8" Wide for the metal case
Inlet width: 5/16" (341/ 342), 7/8" (340), 3/4" (343)
Outlet width: 5/16"

Flowsheets:

click to enlarge:

HFP-340:                                                           

  

Walbro GSS340:

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Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W5.0000” x H5.0000” x L5.0000”
  • USPS Priority Mail / First Class Small Items
  • FREE FIRST CLASS SHIPPING WITHIN THE US & TERRITORIES