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    Manufacturer: General Motors

    1.0L L5Q GM ECOTEC Long Block Engine

    $2,047.50
    $3,900.00
    The ECOTEC 1.0L engine (L5Q) is engineered to deliver strong performance with excellent efficiency. The L5Q features an aluminum cylinder block and head that help reduce the vehicle’s overall mass to enhance performance and efficiency, while technologies such as continuously Variable Valve Timing with broad power bands make for an optimal balance of strong performance and low fuel consumption. This is a Brand New 1.0L marine base engine. Available for order now and ready to ship. Please note, these engines are unpainted.
    SKU: 880206
    Manufacturer Part Number: L5Q
    *
    Availability: In stock

    STATE-OF-THE-ART TECHNOLOGIES

    Cylinder Block

    • A lightweight, high-pressure die-cast aluminum block is the 1.0L’s foundation, matched with an aluminum bedplate that enhances strength and helps reduce vibration.
    • High-pressure casting method produces a more dimensionally accurate block that requires fewer machining operations than conventional sand-cast blocks.
    • The block has cast-in-place iron cylinder liners for structural stiffness.
    • The bedplate bulkheads contain cast-in, nodular iron inserts for localized structural stiffness.

    Strong Rotating Assembly

    •  A premium forged-steel crankshaft with hollow-cast cores for lower weight anchors the 1.0L’s rotating assembly

    Efficiency-Enhancing Oiling System

    • A variable-flow oiling system helps maximize fuel efficiency, accomplished with a crankshaft-driven oil pump that matches the oil supply to the engine load.
    • The pump changes its capacity based on the engine’s demand for oil.
    • Prevents using energy to pump oil that is not required for proper engine operation.
    • Piston-cooling oil jets are used to minimize piston temperatures – helping to optimize performance, efficiency, and emissions. 

    Integrated DOHC Cylinder Head and Exhaust Manifold

    • The new ECOTEC engines feature an integrated aluminum cylinder head/exhaust manifold, which further reduces weight.
    • The cylinder head features a water-cooled exhaust manifold integrated within the aluminum casting – providing quicker engine warm-up – which contributes to better emissions performance.
    • A hard-mounted aluminum cam cover features an integrated oil separation system – an essential contributor for optimal combustion control.

    Variable Intake System

    • Two-stage variable intake manifold optimizes fuel economy and performance.
    • At engine speeds below 5000 rpm – at full load – inlet air passes through intake tracts that increase torque.
    • At speeds greater than 5000 rpm, a butterfly valve within the lightweight composite intake manifold opens to create a shorter intake path, enabling the engine to produce maximum horsepower.

    Stringent Validation

    The 1.0L engine was tested under GM’s strict regimen, one of the toughest set of standards in the industry, and included a battery of round-the-clock performance and durability trials such as: 

    • Running test engines continuously for more than 2,000 hours at 5200 rpm – the equivalent of 12 straight weeks at wide-open throttle.
    • Cycling engines for 400 straight hours (more than 16 days) between peak-horsepower and peak-torque rpm levels – a torturous test that pushes rotating parts such as the crankshaft and connecting rods to their limits.
    • Cold- and heat-soak tests that ensure the engine will start and operate normally in temperatures as low as -40 degrees F (-40 C) and as high as 220 degrees F (104 C).

    ADDITIONAL FEATURES

    • Extended-life spark plugs
    • Extended-life coolant
    • Electronic throttle control
    • Variable Valve Timing
    • 2-stage variable-displacement oil pump
    • Spin-on oil filter
    • Low-friction PVD piston rings
    Products specifications
    Displacement 999 cc
    Engine Orientation Transverse
    Compression Ratio 10.5:1
    Valve Configuration Dual overhead camshafts
    Valve Lifters Hydraulic roller finger follower
    Firing Order 1 - 2 - 3
    Bore x Stroke 74 x 77.7 mm
    Fuel Type Regular unleaded gasoline
    Horsepower 75 hp (55 kW) @ 6500 rpm*
    Torque 70 lb-ft (95 Nm) @ 4500 rpm*
    Maximum Engine Speed 6500 rpm
    Emission Controls Evaporative system, catalytic converters, positive crankcase ventilation
    Block Cast Aluminum
    Cylinder Head Cast Aluminum
    Intake Manifold Composite
    Connecting Rods Forged Powder Metal

    Our shipping hours are 8 AM - 5 PM Monday - Friday CST. Orders placed over the weekend will not process and ship until the following week. Any orders placed after 11 A.M. CST on a weekday are not guaranteed same day shipping even if expedited service is selected. Certain products such as Engines, Transmissions, Assembled kits, ECMs, etc. may require a a 2 - 3 day processing period before shipment. Please contact us regarding questions about turn-around time before placing an order.

    Standard Shipments

    We ship orders under 100lbs by UPS or USPS. Expedited shipping services (Next Day Air, Priority Mail, etc.) can be selected during the checkout process. Shipping estimates can be obtained from the shopping cart page before checkout. All expedited orders must be placed before 11:00 A.M. CST to gurantee same day shipping. International orders under 75lbs will ship by UPS. 

    Engine/Freight Shipments

    Standard engine shipment quotes are available from the check out page. Customers may contact MED to set up special shipping instructions if necessary. Make sure to check lift gate service or residential delivery if needed. MED will add appropriate charges if services are needed and not billed on original invoice. Engine orders will be processed and shipped within 48 hours if stock is available. Although Marine Engine Depot tries to keep stock of all engines, standard lead time on engines when stock is not available is three weeks.

    General Return & Refund Policy

    Please email returns@marinepowerusa.com or call (985)-386-2081 to receive return authorization and an RMA number. All items returned require prior authorization. Any return made without prior authorization will not be credited and returned to the customer.

    All returns must be made within 30 days of delivery. All items returned must be in original packaging, packed in the same manner as you received it, and in new condition with a copy of the original invoice. For items received as described, a refund of the final invoice price minus shipping and handling charges will be issued. Buyer is responsible for return shipping costs and for sufficiently packing and insuring returned items unless otherwise agreed upon.

     We cannot accept returns for:

    • Orders in which 30 days have elapsed since the order was shipped
    • Products whose original packaging is damaged or incomplete
    • Products that have been used, installed or altered in any way

    Electronic Parts Return Policy

    Electronic parts and components are not elligible for return if the original packaging has been opened or the components have been installed. Please contact us regarding any issues regarding electrical components.

    Propeller Return Policy

    Marine Engine Depot, Solas Science & Engineering Co., and Michigan Wheel Corporation do not take part in an outboard exchange policy. Once a propeller has been installed and used in the water, the propeller is no longer returnable for credit or exchange, unless the propeller was incorrectly sized by Marine Engine Depot based on accurate information in regards to engine and boat use. 

    Engine Return Policy

    There is a 15% restocking fee on the return of any complete engine. 

    Engine Waranty

    All engines are covered by the Marine Power USA warranty policy. Click here for more information on registering your engine for warranty. See below for details.

    Base/ParPac Engine Warranty

    The warranty period for a Marine Base or ParPac engine is one (1) year parts and bench labor (Maximum Labor $500.00) from the date of sale. Receipt of a properly completed Warranty Registration / Sea Trial form must be received by Marine Power for any warranty claim to be honored.

    Complete Engine Warranty

    The warranty period for a Complete Marine engine is two (2) years from the date of sale. Receipt of a properly completed Warranty Registration / Sea Trial form must be received by Marine Power for any warranty claim to be honored. 

    Transmission / V-Drive Warranty

    All transmissions and V-Drives include a 1 year warranty.

    Engine Parts Warranty

    The warranty period is one year from your date of purchase. During the warranty period, we will replace, at our option, any new part that fails due to a defect in materials or workmanship under normal use and service after proper installation. Refunds will only be considered if the defective part is returned along with your original sales receipt within the warranty period.

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      WARNING: PROPOSITION 65 WARNING: FOR MORE INFORMATION, VISIT: www.P65Warnings.ca.gov.

    STATE-OF-THE-ART TECHNOLOGIES

    Cylinder Block

    • A lightweight, high-pressure die-cast aluminum block is the 1.0L’s foundation, matched with an aluminum bedplate that enhances strength and helps reduce vibration.
    • High-pressure casting method produces a more dimensionally accurate block that requires fewer machining operations than conventional sand-cast blocks.
    • The block has cast-in-place iron cylinder liners for structural stiffness.
    • The bedplate bulkheads contain cast-in, nodular iron inserts for localized structural stiffness.

    Strong Rotating Assembly

    •  A premium forged-steel crankshaft with hollow-cast cores for lower weight anchors the 1.0L’s rotating assembly

    Efficiency-Enhancing Oiling System

    • A variable-flow oiling system helps maximize fuel efficiency, accomplished with a crankshaft-driven oil pump that matches the oil supply to the engine load.
    • The pump changes its capacity based on the engine’s demand for oil.
    • Prevents using energy to pump oil that is not required for proper engine operation.
    • Piston-cooling oil jets are used to minimize piston temperatures – helping to optimize performance, efficiency, and emissions. 

    Integrated DOHC Cylinder Head and Exhaust Manifold

    • The new ECOTEC engines feature an integrated aluminum cylinder head/exhaust manifold, which further reduces weight.
    • The cylinder head features a water-cooled exhaust manifold integrated within the aluminum casting – providing quicker engine warm-up – which contributes to better emissions performance.
    • A hard-mounted aluminum cam cover features an integrated oil separation system – an essential contributor for optimal combustion control.

    Variable Intake System

    • Two-stage variable intake manifold optimizes fuel economy and performance.
    • At engine speeds below 5000 rpm – at full load – inlet air passes through intake tracts that increase torque.
    • At speeds greater than 5000 rpm, a butterfly valve within the lightweight composite intake manifold opens to create a shorter intake path, enabling the engine to produce maximum horsepower.

    Stringent Validation

    The 1.0L engine was tested under GM’s strict regimen, one of the toughest set of standards in the industry, and included a battery of round-the-clock performance and durability trials such as: 

    • Running test engines continuously for more than 2,000 hours at 5200 rpm – the equivalent of 12 straight weeks at wide-open throttle.
    • Cycling engines for 400 straight hours (more than 16 days) between peak-horsepower and peak-torque rpm levels – a torturous test that pushes rotating parts such as the crankshaft and connecting rods to their limits.
    • Cold- and heat-soak tests that ensure the engine will start and operate normally in temperatures as low as -40 degrees F (-40 C) and as high as 220 degrees F (104 C).

    ADDITIONAL FEATURES

    • Extended-life spark plugs
    • Extended-life coolant
    • Electronic throttle control
    • Variable Valve Timing
    • 2-stage variable-displacement oil pump
    • Spin-on oil filter
    • Low-friction PVD piston rings
    Products specifications
    Displacement 999 cc
    Engine Orientation Transverse
    Compression Ratio 10.5:1
    Valve Configuration Dual overhead camshafts
    Valve Lifters Hydraulic roller finger follower
    Firing Order 1 - 2 - 3
    Bore x Stroke 74 x 77.7 mm
    Fuel Type Regular unleaded gasoline
    Horsepower 75 hp (55 kW) @ 6500 rpm*
    Torque 70 lb-ft (95 Nm) @ 4500 rpm*
    Maximum Engine Speed 6500 rpm
    Emission Controls Evaporative system, catalytic converters, positive crankcase ventilation
    Block Cast Aluminum
    Cylinder Head Cast Aluminum
    Intake Manifold Composite
    Connecting Rods Forged Powder Metal