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Holley pro-jection 2D Installation And Troubleshooting Manual

Manual is about: V-8 Engines

Summary of pro-jection 2D

  • Page 1

    Marine 2d part number 700-21 for v-8 engines installation, tuning, and troubleshooting manual note: these instructions must be read and fully understood before beginning installation. If this manual is not fully understood, installation should not be attempted. Failure to follow these instructions, ...

  • Page 2

    Table of contents: 1.0 introduction ...................................................................................................................3 2.0 warnings, notes, and notices ..................................................................................3 3.0 parts identification ........

  • Page 3

    1.0 introduction holley performance products has written this manual for the installation of the marine pro-jection 2d fuel injection system. This manual contains all the information needed to install this system. Please read all the warnings, notes, and tips, as they contain valuable information th...

  • Page 4

    3.0 parts identification item description qty service part 1 tbi assembly 700 cfm complete 1 500-13 2 electronic control unit (ecu) d systems 1 n/a 3 wiring harness 1 534-34 4 fuel pump 1 12-927 5 fuel pump clamp 1 n/a 6 flame arrestor 1 720-1 7 manifold adapter (square flange) 1 17-6 8 universal ma...

  • Page 5

    Item 4 item 5 item 6 item 7 item 8 item 9 item 10 item 11 item 12 item 13 item 14 item 15 item 16 item 17 item 18.

  • Page 6

    Item 19 item 20 item 21 item 22 item 23 item 24 item 25 item 26 item 27 item 28 item 29 item 30 item 31 item 32 4.0 additional items required for installation • more 3/8” marine fuel hose marked u.S.C.G. Type a1 (if needed) • more 5/16” marine fuel hose marked u.S.C.G. • 5/16” us coast guard approve...

  • Page 7

    6.0 system overview the projection system actually consists of three systems; the air and fuel delivery, the fuel return system, and the electronic control system. Because the ecu utilizes digital electronics, it is not affected by variations in temperature or humidity. Although the digital ecu is p...

  • Page 8

    4. Disconnect and plug the inlet fuel line that runs from the gas tank to the fuel pump. This will prevent fuel spillage and foreign matter or dirt from entering the fuel line. Danger! Before disconnecting or removing fuel lines, ensure the engine is cold. Do not smoke. Extinguish all open flames. A...

  • Page 9

    Figure 2 figure 3 8.1.2 universal and spread bore manifolds warning! If using an aftermarket manifold on a chevrolet small block, position the adapter bores so they are forward toward the front of the manifold. On all other applications with any type of manifold, stock or aftermarket, position the a...

  • Page 10

    8.2 throttle body installation note: remove and discard the special shipping bolt as shown in figure 4. Apply a couple drops of loctite to the long end of the flame arrestor stud and insert into the throttle body and tighten securely. After the flame arrestor is installed it is extremely important t...

  • Page 11

    Danger! Sticking throttle may result in uncontrolled engine or boat speed. This could cause property damage, personal injury, or death. A sticking throttle may be caused by improperly installed throttle cables, lack of clearance for any of the throttle linkage, or by binding throttle linkage. Check ...

  • Page 12

    2. Start by cutting two sections of 3/8" fuel hose. One piece goes form the pump outlet to the filter and the other from the filter of the tbi inlet. Be sure the arrow on the filter indicating flow direction. 3. Push the hoses onto the filter all the way until they contact the filter body. Secure th...

  • Page 13

    Figure 6 8.7 inlet fuel line installation 8.7.1 installation with fuel return line to fuel tank the mechanical pump should not be used when the fuel return line goes to the fuel tank. Route a section of 3/8” hose from the boat fuel tank and fuel filter to the barbed fitting on the inlet of the pro-j...

  • Page 14

    8.8 coolant temperature sensor install the temperature sensor in a water passage of the intake manifold. Most intake manifolds have a plug that can be removed for installation of a temperature sensor. In addition, some cylinder heads have a plug that can be removed for installation of a temperature ...

  • Page 15

    Figure 7 figure 8 1. If the oxygen sensor is being installed directly into the exhaust manifold, the manifold will have to be drilled and tapped for the oxygen sensor threads. The location for the oxygen sensor should be chosen very carefully. The sensor must be located in an area that can be drille...

  • Page 16

    Warning! Do not mount the ecu in an enclosed area. Mount the ecu in an area that will allow air to flow freely across the ecu to dissipate heat generated by the ecu. Warning! When mounting the ecu, care must be taken that none of your boats other systems, such as the electrical system, are damaged b...

  • Page 17

    12.0 electrical connections the cable assembly plugs into the ecu and also connects to the throttle body, fuel pump, sensors, electrical power, and ground. Apply a small amount of dielectric grease to all electrical terminals and connections. Warning! Keep all wires away from hot or moving parts as ...

  • Page 18

    Warning! For proper operation, the voltage on the fuse holder wire should be 12-15 volts while the engine is running and should remain above 8.5 volts while the engine is being started. Low voltage will result in poor operation or an inoperative system. Double check the voltage after the installatio...

  • Page 19

    19 should "open circuit", causing a lean condition, the back up automatically takes place. If the tps "short circuits", causing a rich condition, you must remove the wire harness connector from the tps. The idle will be richer and top speed will be limited in this mode. Do not operate for an extende...

  • Page 20

    14.3 high rpm the high rpm adjustment knob allows the user to adjust the fuel delivery for engine speeds over 3000 rpm 50% above or below the values that are set at the factory. This is accomplished by moving the fuel map either up or down along a diagonal hinged line as indicated in figure 13. Turn...

  • Page 21

    Danger! Ensure the throttle is not sticking. A sticking throttle may result in uncontrolled engine or boat speed. This could cause property damage, personal injury, and/or death. 1. Start the engine. With the engine running at idle, insert a flat blade screwdriver into the head of the idle adjustmen...

  • Page 22

    22 18.0 tuning the digital ecu for performance warning! The adjustment knobs on the front of the ecu are precision manufactured parts and do not require a great deal of force to turn. Do not apply excessive force to the adjustment knobs. Full adjustment range for the knobs is 3/4 of a turn. Warning!...

  • Page 23

    Note: many engines require a richer fuel mixture at idle. Therefore it may not be possible to maintain the fuel mixture at a stoichiometric level while maintaining the engine at a smooth idle. Adjust the idle fuel delivery that best meets your engine’s requirements. Note: if you are unable to adjust...

  • Page 24

    19.0 maintenance and storage the holley digital pro-jection system is designed to give many hours of service with minimal maintenance. The following periodic maintenance is required to ensure your continued satisfaction with the system. 1. Use a good grade of fuel. Always use a quality gasoline from...

  • Page 25

    25 electrical connections section 12.0 d injector flows fuel with ignition switch in the “run” position and engine not running - poor engine ground wire connection - leaky fuel injector - clean ground location and tighten connection - replace fuel injector e “clear flood” mode does not operate while...

  • Page 26

    26 - kinked or restricted fuel line - faulty fuel pump - throttle body pressure regulator improperly adjusted - low fuel level in tank - restrictive screen in tank wiring harness. Check battery voltage. - repair kinks and remove obstructions from fuel line. - see item a - see adjusting fuel pressure...

  • Page 27

    1. Drain enough coolant out of the radiator to drop the coolant level below the point in which the engine coolant temperature sensor is installed in the manifold. 2. Remove the sensor from the manifold and allow the sensor to reach room temperature, approximately 70 ° f. 3. Connect the positive (+) ...

  • Page 28

    20.4 testing the oxygen sensor (if equipped) the pro-jection d system oxygen sensor performance can be evaluated. Probe the gray wire from the oxygen sensor connector with the positive (+) lead of a digital voltmeter. With the engine running open loop, the meter reading should be near zero or one vo...

  • Page 29

    Notes: notes:.

  • Page 30: Holley

    30 copyright  1999 holley printed in u.S.A. Performance products inc 199r-10028-1 date: 11-11-99.