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  1. #1
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    Delphi Premium GDi High Pressure Fuel Pump and direct injection fuel system upgrades

    I looked around the BimmerBoost and didn't really see any info on this pump. Maybe someone else can shine more info on it?
    Click here to enlarge
    POWER TRAIN SYSTEMS



    Delphi offers a high pressure fuel pump with its gasoline directinjection (GDi) fuel systems. Magneti Marelli is Delphi's GDipump partner. Delphi and Magneti Marelli pump engineeringteams calibrate and validate the Magneti Marelli core pumpdesign to Delphi customer applications. Delphi is system andpump responsible to the customer.
    The pump is an engine driven demand control supply pump thatfeatures a single-piston, high-content integrated design toprovide value and to support a wide range of engine programobjectives. It delivers operating pressure from 30 bar to 200 bar.It offers a high flow capability for larger displacement engines.
    The Delphi GDi Fuel Pump includes an integrated flow control valve for accurate demand fuel control and an integrated overpressure relief valve.
    Benefits
    Enables gasoline direct injection systems, which versus conventional port fuel injection systems, offer fuel economy,power, torque and emissions benefits for engine manufacturers


    Delphi GDi High Pressure Fuel Pump




    • High fuel flow capability enables rail pressure build-up more quickly for faster start times
    • Integrated design offers system cost savings and system mass reduction
    • Design options provide packaging flexibility for the vehicle manufacturer
    • Integrated over-pressure relief valve reduces system complexity
    • Manufactured with corrosion resistant and multi-fuel-capable materials
    • Low mass

    o Approximately 600 grams

    • Capable of operating with 2-, 3- or 4-lobe cams to provide flexibility for engine design (i.e. number of cylinders)
    • Allows high rpm engine operation

    o Up to 7,500 rpm
    Provides fast control valve response time
    o Less than 2 msec.

    • Low power consumption
    • Low audible noise
    • Competitively priced
    • Typical Applications
    • The Delphi GDi High Pressure Fuel Pump is suitable for most homogeneous and stratified combustion gasoline direct injection engine programs. It is compatible with most market-approved fuels includingethanol blends.
    • Performance Advantages
    • Delphi's GDi High Pressure Fuel Pump offers significant mass reduction versus competitive products and excellent packaging flexibility. Its roller follower or tappet cam drive interface designs reduce friction andcontribute to fuel economy improvement and greater power.



    Delphi's GDi High Pressure Fuel Pump is a single-piston solution capable of very high output which, alongwith its integrated high content design, provides vehicle manufacturers with superior value. The pump’shigh flow capability allows application in a wide range of engine configurations.
    Delphi can supply a complete GDi system including injectors, fuel rail, engine control module with control algorithms, as well the high pressure fuel pump.
    The Delphi Advantage
    Delphi offers a wide range of advanced gasoline direct injection systems that provide high performance and excellent value. Our technologies are designed to respond optimally to the challenging conditions ofthe most demanding GDi engine programs.
    As a global leader in engine management systems technology, Delphi can help manufacturers meetemissions requirements, improve fuel economy and enhance performance. Delphi is a source for highvalue solutions and our systems expertise is built into every product. Delphi's flexible engineering approachencourages collaboration. And, Delphi has a thorough understanding of automotive markets around theworld and global network of resources.


    Attached Images Attached Images  
    Last edited by crazylegs; 04-01-2013 at 04:19 AM. Reason: picture

  2. #2
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    Click here to enlarge Originally Posted by crazylegs Click here to enlarge
    I looked around the BimmerBoost and didn't really see any info on this pump. Maybe someone else can shine more info on it?
    http://www.bimmerboost.com/images/im...fuelpump-1.jpg
    @Sticky maybe move this to a separate thread?
    Click here to enlarge
    997.1 tt
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  3. #3
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    Click here to enlarge Originally Posted by crazylegs Click here to enlarge
    I looked around the BimmerBoost and didn't really see any info on this pump. Maybe someone else can shine more info on it?
    http://www.bimmerboost.com/images/im...fuelpump-1.jpg
    Only 7500rpm Click here to enlarge.. Compressor can't handle being spun higher i assume? Too small a hole? Doesn't sound like it's enough

    i was really hoping to be able to build my engine for as high an rpm as possible, it seems the only option will be whenever proefi comes out

  4. #4
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    New thread would be nice...what's the flow rating on this pump?
    Click here to enlarge

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    heres the web site http://delphi.com/manufacturers/auto...h-p-fuel-pump/

    Also have Direct injection fuel rails http://delphi.com/manufacturers/auto...gdi_fuelrails/


    Delphi Multec Gasoline Direct Injection Fuel Rail Assemblies

    Click here to enlarge
    Enlarge

    Delphi Multec Gasoline Direct Injection Fuel Rail Assemblies are integrated, pre-assembled conduits that transfer fuel from a vehicle's high pressure fuel pump and distribute it to each fuel injector location on the engine.
    Constructed of stainless steel for superior durability and corrosion protection, Delphi Multec GDi Fuel Rails offer a number of design advantages. Delphi offers configuration alternatives to enable efficient packaging and optimal program integration for the manufacturer. Delphi's damping technology and orifice designs reduce port-to-port fueling variation and noise. Delphi Multec GDi Fuel Rails deliver superior performance simultaneously with low cost.
    Delphi Multec GDi Fuel Rails are supplied preassembled with Delphi Multec Fuel Injectors and a high pressure sensor. They are leak tested prior to delivery to reduce the need for engine-level leak testing by the manufacturer.

    Benefits

    • Stainless steel construction provides superior durability and prevents corrosion with all approved market fuels.
    • Stainless steel construction and the use of an O-ring only at the injector interface contribute to reduced evaporative emissions.
    • Available with either an overhead conduit or an offset conduit for flexible program integration. In the overhead conduit design, the main conduit is positioned directly above the injector sockets. In the offset conduit design, the injector sockets are positioned to the side of the main conduit.
    • Robust to ethanol fuel blends (0 to E100) and methanol fuel blends (including M15) for 15 years/150,000 miles based on severe temperature and vibration test schedules.
    • Each rail design is unique and optimized to meet the customer's specific application requirements.

    Click here to enlarge
    Delphi Multec 6-Cylinder Gasoline Direct Injection Fuel Rail Assembly

    Typical Applications
    Delphi Gasoline Direct Injection Fuel Rail Assemblies are suitable for use with homogeneous mode and spray guided gasoline direct injection and flexible fuel engines, ranging from one- to 12-cylinders. Delphi GDi Fuel Rails are sold in conjunction with Delphi GDi Fuel Injectors.
    High Pressure Line and Fuel Rail Peak-to-Peak Pressure Simulation
    Click here to enlarge
    Delphi Gasoline Direct Injection Fuel Rails are designed to reduce fuel system-generated noise. For example, the rails can be isolated from the head. This reduces energy transfer from the rail to the head through the connection point.
    Delphi engineers use math modeling to determine the proper size of the orifice for each application. Inputs include the fuel rail, high pressure pump, spill valve, system control and fuel lines. Delphi's engineering process is capable of predicting fuel pressure and flow rate at any point in the system and response time of the valves.
    Delphi's high volume business and global presence provides manufacturers with the benefits of a varied customer base and diverse operating environments. With its extensive experience in fuel rail design and manufacturing, Delphi understands the fuel rail environment and validation requirements. Delphi conducts all testing in-house using its own laboratories and state-of-the-art tools for fuel rail design, testing and validation. Delphi investigates fuels worldwide and has developed aggressive formulations for ethanol and methanol blends and worst-case scenarios as required for validation testing.

    The Delphi Advantage
    Delphi offers the benefits of more than 25 years manufacturing stainless steel gasoline fuel rails and more than 20 years manufacturing composite gasoline fuel rails. Delphi Multi-Port Fuel Injection Fuel Rails have provided customers with excellent first-time quality and excellent warranty performance. Delphi engineers also focus on the development of new cost competitive technologies and efficient manufacturing processes to provide manufacturers with gasoline fuel rails that deliver good value.
    As a global leader in engine management systems technology, Delphi can help manufacturers meet emissions requirements, improve fuel economy and enhance performance. Delphi is a source for high value solutions and our systems expertise is built into every product. Delphi's flexible engineering approach encourages collaboration. And, Delphi has a thorough understanding of automotive markets around the world and a global network of resources.

  6. #6
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    This is there "premium high pressure fuel pump"

    Delphi Premium GDi High Pressure Fuel Pump

    Click here to enlarge
    Enlarge

    The Delphi Premium GDi High Pressure Fuel Pump for gasoline direct engine applications offers reduced noise levels versus conventional pump designs. Working with high pressure fuel pump partner Magneti Marelli, Delphi engineers improved a high value single-piston engine driven pump to noticeably reduce the primary sources of high pressure fuel pump operating noise.
    The pump delivers operating pressures from 30 bar to 200 bar to meet customer requirements. It includes an integrated flow control valve for accurate demand fuel control and an integrated over-pressure relief valve. The pump also has a high flow capability for larger displacement engine applications.
    To optimize system noise and performance in a homogeneous mode engine application, the Delphi Premium GDi High Pressure Fuel Pump can be included with low acoustic noise Delphi MultecGDi Multi-Hole Fuel Injectors and a Delphi Multec Gasoline Direct Injection Fuel Rail, which is also designed to reduce system-generated noise.

    Benefits

    • Enables gasoline direct injection systems, which versus conventional port fuel injection systems, offer fuel economy, power, torque and emissions benefits for engine manufacturers
    • Internal design changes reduce noise generation on spill valve actuation and deactivation events
    • Changes to the spill valve drive current further reduce actuation noise
    • External design changes reduce noise transmitted by the damper cover
    • The Delphi Premium GDi High Pressure Fuel Pump also provides many other important benefits provided by Delphi's standard GDi fuel pump, including:
      • High fuel flow capability to enable rail pressure build-up more quickly for faster start times
      • Integrated design offers system cost savings and system mass reduction
      • Design options provide packaging flexibility for the vehicle manufacturer
      • Integrated over-pressure relief valve reduces system complexity
      • Manufactured with corrosion resistant and multi-fuel-capable materials
      • Low mass: approximately 600 grams
      • Capable of operating with 2-, 3- or 4-lobe cams to provide flexibility for engine design (i.e. number of cylinders)
      • Allows high rpm engine operation (up to 7,500 rpm)
      • Provides fast control valve response time (less than 2 msec.)
      • Low power consumption
      • Competitively priced


    Typical Applications
    The Delphi Premium GDi High Pressure Fuel Pump is suitable for most homogeneous and stratified combustion gasoline direct injection engine programs. It is compatible with most market-approved fuels including ethanol blends.
    Availability
    The Delphi Premium GDi High Pressure Fuel Pump will be available for production in the 4th quarter of 2011. Delphi is locating production sites for the pump in North American and China. Engineering samples are available to automotive manufacturer customers. Contact Delphi for additional information.

    Performance Advantages
    The Delphi Premium GDi High Pressure Fuel Pump features a unique hydraulic braking design for the moving spill valve components. The design can be used with low energy waveforms and adaptive software to control actuation noise that is typically created when the armature of the spill control valve strikes the pump's pole piece.
    Additional high frequency noise reduction is achieved by the use of a stiffer external damper cover, which also decreases the transmission of actuating and de-actuating noise.

    The Delphi Advantage
    Delphi offers a wide range of advanced gasoline direct injection systems that provide high performance and excellent value. Our technologies are designed to respond optimally to the challenging conditions of the most demanding GDi engine programs.
    As a global leader in engine management systems technology, Delphi can help manufacturers meet emissions requirements, improve fuel economy and enhance performance. Delphi is a source for high value solutions and our systems expertise is built into every product. Delphi's flexible engineering approach encourages collaboration. And, Delphi has a thorough understanding of automotive markets around the world and global network of resources.

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    I need an aftermarket HPFP option in my life.
    SYVECS Standalone l Motiv Port Injection with Fuel It Stage 3 LPFP l MFactory LSD l CFS Racing Radiator l m3 front and rear control arms l ST Coilover System Vargas Stage 2+ Fully Upgraded Turbos l Vargas Inlet System l VRSF DP | VRSF FMIC | Alpina TCM Flash | BMS Trunk Meth l Nitrous Express Dry l Evolution Raceworks Charge Pipe with n20/meth bungs l Vargas HPFP Upgrade v1 l Agency Power Exhaust with n55 mid pipes l Apex AERO-7 Lightweight Wheels l Toyo R888s



  8. #8
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    Engine Management Systems

    Delphi Multec Gasoline Direct Injection Engine Management Systems

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    Enlarge

    Delphi Multec Gasoline Direct Injection (GDi) Engine Management Systems (EMS) are a cost-effective, family of fuel systems that provide a complete, easy-to-manage package and allow vehicle manufacturers to tailor content to their individual needs. The systems provide features that can assist vehicle manufacturers in meeting consumer demands for improved power, torque and, especially, better fuel economy.
    Delphi Multec GDi EMS systems offer features such as:

    • High pressure pump flow control with variable rail pressure capability
    • Low emissions cold starts
    • Low particulate emissions
    • Multi-pulse capability for precise spray formation and penetration control
    • Enhanced turbo scavenging for low end torque improvement
    • Active valve train components
    • Gasoline/electric hybrid capabilities to help vehicle manufacturers meet fuel economy standards, such as U.S. Corporate Average Fuel Economy (CAFE), and greenhouse gas emissions requirements, such as European Automobile Manufacturers Association (ACEA) CO2 fleet average

    Delphi can provide all necessary algorithms, calibration services, as well as the required components and full on-board diagnostics.
    Delphi's Multec GDi Engine Management Systems are designed to help vehicle manufacturers meet current and future vehicle emission standards around the world including Euro 5 and Euro 6, and U.S. Environmental Protection Agency (EPA) and California Air Resources Board (CARB) standards such as Tier 2, LEV, ULEV II, SULEV, and PZEV.

    Benefits

    • System components are optimized to provide the vehicle manufacturer with the required performance objectives within a cost-effective, complete package
    • Delphi can provide calibration and software or create custom software for the manufacturer
    • Delphi provides a single point contact for the manufacturer to facilitate management and execution of the EMS program
    • Delphi's experienced and knowledgeable local EMS teams, with their systems development, calibration, and validation capabilities, can provide fast response and help achieve fast time-to-market
    • Scalable systems allow the manufacturer to use the same base engine and EMS to meet multiple local and export market requirements


    Typical Applications
    Delphi Multec Gasoline Direct Injection Engine Management Systems are designed to support most 3-, 4-, 6- and 8-cylinder gasoline direct injection homogeneous combustion engine programs. They can also support hybrid architecture and flexible fuel programs including E85, an important consideration for many markets.
    Delphi Multec Gasoline Direct Injection Engine Management System Applications and Features Summary
    Applications Delphi Multec GDi EMS
    Engine
    • 3, 4, 6, and 8 cylinders
    Fuel Type
    • Gasoline
    • Ethanol blends (up to E85)
    Emissions Standard Support Capabilities
    • Euro IV, V and VI
    • U.S. LEV II, U.S. ULEV II, U.S. SULEV and U.S. PZEV
    • Other standards also supported
    Diagnostics
    • EOBD and OBD II (CAN and KW2000)
    Features and Content
    Electronic Control Module (ECM)
    • Delphi MT90 family
    Microprocessor
    • 32 bit
    Torque Based Control
    • Standard
    Fuel Injection
    • Direct Injection:
      • Multec 12 for Homogeneous Combustion Systems
    Ignition System
    (High Energy Coil)
    • Coil per plug
    • High energy option
    • Ion sensing option
    • Multi-Charge option
    Throttle Control
    • Electronic (non-contacting sensor)
    Exhaust Gas Recirculation (EGR) Valve
    • Available
    Cam Phasing
    • Dual independent intake and exhaust
    Discrete Valve Lift Control
    • Cylinder deactivation option
    • 2-Step Valve Lift option
    Continuously Variable Valve Lift
    • Available for development
    Knock Control
    • Electronic vibration based with enhanced digital signal processing
    • Electronic ion sensing knock control (available)
    Turbo Charging Control
    • Mechanical and electronic wastegate control
    Active Intake Tuning Control
    • Intake runner, plenum, and/or mixture motion control

    (Also available as part of Delphi Integrated Air/Fuel Module.)
    Engine Temperature Control
    • Available
    Hybrid Control
    • Interface to power electronics and inverter
    • Available
    Generator Control
    • Available
    Starter Motor Control
    • Available
    Transmission Control
    • Via Controller Area Network (CAN) to transmission control electronics
    • Integrated into the ECM (available)
    Digital Engine Speed and Position Sensor
    • Crank and up to four cams (true power-on optional)
    Switching Oxygen Sensor
    • Engine out and post-converter, one per bank
    Wide Range Oxygen Sensor
    • Optional for Homogeneous
    Air Meter/Mass Air Flow Sensor
    • Modular or probe configurations available for flexible packaging options.
    • Speed density configurations are also available.
    Purge Control Actuator
    • Available
    Fuel Vapor Pressure Sensor
    • Available for U.S. OBD II
    Manifold Absolute Pressure/ Manifold Air Temperature (MAP/MAT) Sensor
    • Available

    Performance Advantages
    Delphi Multec GDi Engine Management Systems provide an easy and convenient way to implement a complete, cost-effective EMS program. They offer superior component design and features that can help vehicle manufacturers improve fuel economy, enhance engine performance, and meet targeted emissions standards. Delphi can calibrate GDi systems in region or support vehicle manufacturers with in-depth knowledge of regional market requirements especially for North America and Europe to help with new product launches almost anywhere in the world.
    Additionally, Delphi offers a three-pronged approach to mitigating GDi engine noise, a common consumer complaint. Delphi considers the design of moving components, managing a system's operation through software control, and working with customers to add appropriate sound-damping accessories. And the key components of Delphi's GDi systems have many proprietary design elements. Delphi's new premium GDi high pressure pump was specifically designed to reduce noise. Delphi's patented Multi-Hole GDi fuel injectors provide best in class audible noise performance. And Delphi's GDi fuel rail assemblies include built-in noise damping features.
    Click here to enlarge

    The Delphi Advantage
    Delphi offers the benefits of long history of supplying gasoline engine management systems and components that have helped automotive manufacturers overcome market and regulatory challenges. Delphi provides unique systems-level knowledge and analysis capabilities. Delphi offers a complete engine management systems portfolio, including: valve train, ignition, fuel injection, air and fuel management, electronics, sensors and actuators, fuel handling and evaporative emissions systems.
    As a global leader in engine management systems technology, Delphi can help manufacturers meet emissions requirements, improve fuel economy and enhance performance. Delphi is a source for high value solutions and our expertise is built into every product. Delphi's flexible engineering approach encourages collaboration. And, Delphi has a thorough understanding of automotive markets around the world and a global network of resources.

  9. #9
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    Not to be a Debbie downer here, but that Delphi HPFP is cam driven. With enough custom parts and effort, I'm sure it could be adapted, but I would imagine other avenues would be cheaper and less $.
    Click here to enlarge

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    No idea why you guys are even talking about this pump, if we could easily switch to a cam driven pump the amount of options we would have from all the VW, MS3, Audi upgraded pumps that already exist would be plenty to fix the HPFP issue. We are stuck with a pulley driven pump, a cam driven design is not going to help us.

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    Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
    No idea why you guys are even talking about this pump, if we could easily switch to a cam driven pump the amount of options we would have from all the VW, MS3, Audi upgraded pumps that already exist would be plenty to fix the HPFP issue. We are stuck with a pulley driven pump, a cam driven design is not going to help us.
    The MS3 guys usually just run upgraded fuel pump internals within the facory housing, i helped my buddy swap his internals out last weekend and it was a pretty simple job(other than getting to the HPFP.) Anyone know if this could work for us?
    Click here to enlarge
    MOTIV750, MOTIV P-1000 PI, MOTIV/FUEL-IT! low pressure fuel system, AEM EMS/COBB AP, Aquamist HFS-3, ETS FMIC, SPEC stage 3+ clutch/SS flywheel, BC Racing coilovers and VMR wheels wrapped in Hankook RS3s.

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    Click here to enlarge Originally Posted by rader1 Click here to enlarge
    The MS3 guys usually just run upgraded fuel pump internals within the facory housing, i helped my buddy swap his internals out last weekend and it was a pretty simple job(other than getting to the HPFP.) Anyone know if this could work for us?
    Can't get ahead of ourselves...we would need an option for upgraded internals first. Which doesn't exist yet. Which wouldn't address the sippy cup straw size inlet that IIRC is cast into the housing. With enough money and the right people, anything is possible. But since the right people don't seem to think it's worth their time and money to pursue yet, seems like we're in a bit of a holding pattern.
    Click here to enlarge

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    What I want to know is what happened to the co. tony sent his hpfp to. They said they had a stage 1 and stage 2 n54 hpfp, were they just talking out their ass?

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    Click here to enlarge Originally Posted by DefactoM6 Click here to enlarge
    Can't get ahead of ourselves...we would need an option for upgraded internals first. Which doesn't exist yet. Which wouldn't address the sippy cup straw size inlet that IIRC is cast into the housing. With enough money and the right people, anything is possible. But since the right people don't seem to think it's worth their time and money to pursue yet, seems like we're in a bit of a holding pattern.
    Wait a second... if the pump is driven off of a pulley, what about putting a smaller pulley on the pump and just spin it faster?
    Click here to enlarge
    MOTIV750, MOTIV P-1000 PI, MOTIV/FUEL-IT! low pressure fuel system, AEM EMS/COBB AP, Aquamist HFS-3, ETS FMIC, SPEC stage 3+ clutch/SS flywheel, BC Racing coilovers and VMR wheels wrapped in Hankook RS3s.

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    1 out of 1 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by rader1 Click here to enlarge
    Wait a second... if the pump is driven off of a pulley, what about putting a smaller pulley on the pump and just spin it faster?
    Good idea in concept, although it would certainly be more involved than just a smaller pulley, since it would require a new, smaller chain (it's chain driven off the front of the engine). However, given the sippy cup straw inlet size, a geared down HPFP will likely still encounter issues with restrictions in the inlet, and will more than likely experience cavitation, which would kill the pump in very short order. If someone had the ability to port the pump, testing a geared down pump would be much more reasonable.
    Click here to enlarge

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    Click here to enlarge Originally Posted by xbox_fan Click here to enlarge
    @Sticky maybe move this to a separate thread?
    Yep.

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    There are basically two viable upgrade options right now, one easier one more involved. We're 95% done with the easier and getting ready to put it on a car this week. If it does not work, very good chance it won't as its an experiment then we tackle the more involved option. Either way were trying figure it out.

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    So: oversize the pump inlet, overdrive the pump and then run a LP fuel setup like in the VTT stage 3 test car to overrun the LP fuel regulator. Individually none of those steps sounds too far outside the range of someone willing to put some money and effort into it... but I wonder how much that would raise the fuel ceiling?
    Click here to enlarge
    MOTIV750, MOTIV P-1000 PI, MOTIV/FUEL-IT! low pressure fuel system, AEM EMS/COBB AP, Aquamist HFS-3, ETS FMIC, SPEC stage 3+ clutch/SS flywheel, BC Racing coilovers and VMR wheels wrapped in Hankook RS3s.

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    Somebody should check out out the pump on the new alpina B3. They advertise that it comes with an upgraded "performance" high pressure fuel pump.

    I have absolutely no idea how to search for parts on alpina cars , can this be done With REALOEM?

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    Click here to enlarge Originally Posted by rader1 Click here to enlarge
    So: oversize the pump inlet, overdrive the pump and then run a LP fuel setup like in the VTT stage 3 test car to overrun the LP fuel regulator. Individually none of those steps sounds too far outside the range of someone willing to put some money and effort into it... but I wonder how much that would raise the fuel ceiling?
    Putting a smaller sprocket on the pump is not viable. The amount of work and things you have to do makes it very unattracive, compared to other optikns. I have it pulled all the way down and man doing it that way would be really tough.

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    Why is this in the N54 section??? This clearly isn't for an N54...

    Might as well be a thread about rocket boosters LOL.

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    Click here to enlarge Originally Posted by Eleventeen Click here to enlarge
    Why is this in the N54 section??? This clearly isn't for an N54...

    Might as well be a thread about rocket boosters LOL.
    My bad thought this was being examined as an N54 application.

  23. #23
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    It was, except it can't, so it shouldn't, unless it should.

    Whenever there is something that says HPFP everyone always gets all giddy. It's ok.

    What somebody really needs to do it sit down with a schematic, a pump (or three), a bunch of tools, and a goal then start tinkering. Ohh wait, somebody is (finally) doing just that (at least somebody who may stand to report back whatever he finds/doesn't find). Interested to see results, or if the thing flies apart, or if it creates golden horsepowers.

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    Cam driven pump? How does that work exactly? Just curious

    it's just sounding like more and more of a major job rvery day, to get the hpfp to flow enough to keep everyone happy

    i'm liking the idea of supplementary port injection with a piggy more and more, for the $2k odd it would cost.

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    Click here to enlarge Originally Posted by Flinchy Click here to enlarge
    Cam driven pump? How does that work exactly? Just curious

    it's just sounding like more and more of a major job rvery day, to get the hpfp to flow enough to keep everyone happy

    i'm liking the idea of supplementary port injection with a piggy more and more, for the $2k odd it would cost.
    A cam driven pump has a plunger that rides on a cam lobe. The cam lobe forces the plunger up creating the high pressure fuel.
    Click here to enlarge
    MOTIV750, MOTIV P-1000 PI, MOTIV/FUEL-IT! low pressure fuel system, AEM EMS/COBB AP, Aquamist HFS-3, ETS FMIC, SPEC stage 3+ clutch/SS flywheel, BC Racing coilovers and VMR wheels wrapped in Hankook RS3s.

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