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LSA 540HP SC marine crate engine.........

This is a discussion on LSA 540HP SC marine crate engine......... within the Internal Engine forums, part of the LSx Technical Help Section category; ...

  1. #1
    Join Date
    Apr 2006

    1998 Z28

    LSA 540HP SC marine crate engine.........

    “LSA” 6.2L V8 SC
    Features & Benefits
    Marine Engine
    The first production Gen-IV
    supercharged V8 for the
    marine industry
    ¶High flow cylinder head design with Swirl-Wing
    ¶Enhanced valvetrain with offset intake rocker arms
    to enable a more direct intake port
    ¶Returnless fuel injection with center feed stainless
    steel fuel rail
    ¶103.25 mm bore block with structural improvements
    and nodular iron bearing caps
    ¶New sumped pistons with 9.1:1 compression ratio
    ¶6.52 gms/sec. high flow injectors
    ¶1.9L /rev Roots type four lobe rotor supercharger
    with 160 deg. rotor twist
    ¶Integrated single brick charge air cooler
    ¶Piston oil spray cooling
    ¶Forged steel crankshaft
    ¶Four active layer MLS head gasket
    ¶Stacked plate aluminum oil cooler
    MEFI-5 (Marine
    Electronic Fuel
    Injection - Fifth-
    Generation), is an
    advanced engine
    controller capable
    of meeting all the
    emissions, OBD-M
    and driveability
    requirements of
    marine applications.
    Available Options
    ¶An electronic control module (ECM) and related
    hardware are available in kit form. The ECM uses
    state-of-the-art technology to optimize fuel and
    spark control
    ¶“LSA” acoustic cover and related mounting hardware
    are available in kit form
    ¶GM-designed accessory drive components will be
    available in kit form (includes supercharger drive
    “LSA” 6.2L V8 SC Marine
    ( Premium Fuel Required )
    New for
    “LSA” 6.2L Feature Focus
    Considered by many as a key “new” member in our
    “Image” engine category, the “LSA” makes its debut
    for marine applications in the 2009 model year. The
    “LSA” introduces the first production supercharged
    Gen-IV small block engine to the marine industry
    and is slated to exceed customer expectations with
    outstanding overall performance.
    Supercharger Assembly
    High efficiency, low noise front
    drive supercharger assembly
    with throttle inlet adapter
    Supercharger Rotor Set
    Four-lobe “TVS” rotor set
    with 160 degree twist
    Oil Cooler Assembly
    Stacked plate aluminum oil
    cooler for direct mounting to oil
    pan (requires closed cooling).
    Right Rear Engine View
    (shown with Flexplate,
    as shipped)
    Sumped 9.1:1 Piston
    Cast hypereutectic coated skirt
    piston with sump in dome for
    compression control.
    Charge Air Cooler
    Integrated single brick
    tube and fin charge air
    cooler with rear coolant
    entry (requires closed
    Piston Squirter
    Block-mounted oil squirter for
    piston cooling
    Swirl Wing
    Swirl Wing Cylinder Head
    Cast aluminum cylinder
    head with wing in inlet
    port to induce combustion
    chamber swirl
    2009 "LSA" 6.2L V8 (LSA)
    540 hp (403 kW)
    @ 5400 rpm (Preliminary/Estimated)
    540 lb-ft (732 Nm)
    @ 4000 rpm (Preliminary/Estimated)
    © 2008 General Motors Corporation
    PRINTED IN U.S.A. 02/05/08
    GM Powertrain
    Type: 6.2L Gen-IV V8 Small Block
    Displacement: 6162 cc (376.0 ci)
    Compression Ratio: 9.1:1
    Valve Configuration: Overhead Valves
    Assembly Site: Silao, Mexico
    Valve Lifters: Hydraulic Roller
    Firing Order: 1 - 8 - 7 - 2 - 6 - 5 - 4 - 3
    Bore x Stroke: 103.25 x 92 mm
    Fuel System: Sequential Fuel Injection
    Fuel Type: Premium Fuel Required
    Engine Orientation: Longitudinal
    Valves Per Cylinder: 2
    Bore Center (mm): 111.76
    Engine Mass: 467 lbs (212 kg)
    540 hp (403 kW) @ 5400 rpm (Preliminary/Estimated)
    540 lb-ft (732 Nm) @ 4000 rpm (Preliminary/Estimated)
    Actual power levels may vary depending on OEM calibration
    and application.
    Fuel Shutoff: 5600 rpm
    Block: Cast Aluminum
    Cylinder Head: A356-T6 Rotocast Cast Aluminum
    Intake Manifold: Cast Aluminum
    Exhaust Manifold: High Silicon/High Moly Cast Iron
    Main Bearing Caps: Nodular Iron
    Crankshaft: Forged Steel
    Camshaft: Hollow Steel
    Connecting Rods: Forged Powder Metal
    Additional Features: 1.9 L/rev Supercharger
    Integrated Single Coolant To Air
    Requires closed cooling system
    Piston Oil Spray Cooling
    Direct Mount Ignition Coils
    Actual power levels may vary depending on OEM calibration and application.
    Plot depicted represents Marine “LSA” engine as tested with Premium Fuel
    (Preliminary/Estimated values).

    I buy cats...

  2. #2
    Senior Member ss~zoso~ss's Avatar
    Join Date
    Dec 2004

    SS: NBM, tan top
    1998-SS, 2010 Jetta TDI

    sick engine, and you buy cats...

  3. #3
    Junior Member
    Join Date
    Aug 2005
    minthill nc

    99 T/A

    Assembly Site: Silao, Mexico

  4. #4

  5. #5
    Junior Member blacksunshine427's Avatar
    Join Date
    Mar 2006
    pottsboro, tx

    2002 Camaro Z-28 M6

    Quote Originally Posted by spawn99t/a View Post
    Assembly Site: Silao, Mexico


  6. #6
    Member danziger's Avatar
    Join Date
    Aug 2006
    Chesapeake, VA

    Le Mans Blue
    2004 Z16

    New CTS-V engine, correct?

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