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  1. #1
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    3.3L OMC EFI complete setup

    https://m.facebook.com/story.php?sto...00011753510654

    3.3L OMC EFI Complete Setup
    Powerhead;
    3.3L Powerhead built by Sam Jenkins. 12 passes since rebuild. All standard size pistons. Behind the liner porting, DBR Pistons and Sleeves, Matched Etec front half with injector bungs. Jenkins o-ring head frames and chambers. Have different chambers available(120 and 200 lbs).
    Monty Slide Plate, Flywheel and Top Cap/trigger sensor plate. Monty coil pack mounts. Head studs drilled for EGT probes in every cylinder exhaust port.
    Adapter Plate;
    Sam Jenkins modified 2.7L plate that's been welded, worked, and dry stacked.
    Midsection
    Baicor DM integrated clamp assembly with horizontal trim arm and tilt arms to accommodate sea star hydraulic steering. They can be removed for wingplate setup. This is mated to Jenkins 16" mid. This setup would use a mercury pump in the boat. It is 62lbs lighter than cut factory setup.
    Cowl/Pans;
    Jack Barsh lightweight Hood
    Cut down and lightened factory pans.
    Gearcases; (3 options)
    1. 1.78 w large swept skeg
    2. 1.87 w large swept skeg
    3. 1.71 L2 w factory skeg
    Fuel Delivery;
    Holly Dominator double barrel 200gph fuel pump with filters and fittings.
    Magnaflow fuel regulator with fittings.
    Electronics;
    Basically everything needed except for the M&W Pro 16 ignition boxes (I'm using them for another boat). All the wiring and plugs are there for them.
    So a complete wire harness system assembled by Sam Jenkins. This includes ignition and fuel/power switches to console. Relays, bus blocks, power cables, ecu hookups, ignition box hookups, ignition box to coil pack hookups.
    ECU;
    Link ECU Extreme with mounting bracket. All inputs are pre wired to the harness, ignition boxes, and injectors.
    Full sequential fuel and ignition capable. Individual cylinder fuel and ignition curves.
    Sensors;
    Air inlet temp
    Water temp ×2 (1 on each head)
    Motec Trigger sensor
    Throttle position
    Water pressure
    Motec Fuel enrichment knob
    Racepack;
    IQ3 Datalogger Dash
    Logs GPS, RPM, water pressure, fuel pressure, water temp, air inlet temp, throttle position, all 6 ETG probes.
    Power on off switch and two push button switches to scroll through display pages wired to harness.

    I will include a laptop with racepak and LINK data uploaded.

    This is an easy 400+hp setup with gobs of torque. This setup on 1325 lbs setup (T3) has run 7.75 in 800 Ft with the tight heads. This engine won the Three Lakes Shootout Top Gun Outboard at 110mph on radar, 114 mph on racepak. Feel free to see my videos on my YouTube page under screen name; gemppjr
    $14,000 for complete setup with one gearcase.
    Additional gearcases available with purchase.

    https://youtu.be/2t5daZC8PbU
    https://youtu.be/ffIK2ynCiCI

    Thank you. - Larry Jr. 847 707 two five 90

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    Last edited by Speed Jr.; 07-12-2020 at 08:33 PM.
    Larry Gempp Jr.

    Proud HydroStream Powertour Member

    Lots of past boats - 2024 22 Liberator - 450R


  2. Likes gfinch, powerabout liked this post
  3. #2
    Join Date
    Sep 2005
    Location
    Bristol, WI
    Posts
    2,978
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    New Price. $14,000 with integrated clamp assembly.

    Jr.
    Larry Gempp Jr.

    Proud HydroStream Powertour Member

    Lots of past boats - 2024 22 Liberator - 450R


  4. #3
    Join Date
    Sep 2005
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    Bristol, WI
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    Sold
    Larry Gempp Jr.

    Proud HydroStream Powertour Member

    Lots of past boats - 2024 22 Liberator - 450R


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