GM LS Compatible 376 c.i. ProSeries Engine - 520 HP - Long Block
GM LS Compatible 376 c.i. ProSeries Engine - 520 HP - Long Block
GM LS Compatible 376 c.i. ProSeries Engine - 520 HP - Long Block
GM LS Compatible 376 c.i. ProSeries Engine - 520 HP - Long Block
GM LS Compatible 376 c.i. ProSeries Engine - 520 HP - Long Block

GM LS Compatible 376 c.i. ProSeries Engine - 520 HP - Long Block

SKU: PSLS3760CT

GM LS Compatible 376 c.i. ProSeries Engine - 520 HP - Long Block

SKU: PSLS3760CT

HP & Torque: 520 HP / 470 FT. LBS

Cylinder Heads: BluePrint Engines LS3 Aluminum Cylinder Heads

Compression Ratio: 10.7:1

Camshaft: Hydraulic Roller Cam - .612 Intake / .585 Exhaust Lift and 225 Intake / 238 Exhaust Duration @ .050 - 113° LSA - Three Bolt Cam

Pistons: Hypereutectic

Crankshaft: Nodular Iron Crank - 3.622" Stroke and Forged 6.125" Rods

Regular price $8,599.00
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LS Retrofit engine with Carbureted intake, designed for customers looking to finish off an LS with their own induction or dress up equipment.

Description:

  • LS Retrofit engine with Carbureted intake, designed for customers looking to finish off an LS with their own induction or dress up equipment.
  • HP & Torque: 520 HP / 470 FT LBS
  • Compression Ratio: 10.7:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Nodular Iron Crankshaft
  • Hypereutectic Pistons

Block:

  • New GM Aluminum 6.2L block
  • OEM Block Machined in the USA!
  • 6-Bolt Main
  • 1-Piece Rear Main Seal

Rotating Assembly:

  • Nodular Iron crankshaft
  • 3.622" Stroke
  • 6.098" connecting rods w/ 150,000 psi bolts
  • Hypereutectic Pistons
  • Internally Balanced

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads -PS8015
  • 72cc chamber
  • 2.165" intake/1.600" exhaust valves
  • 259cc intake/102cc exhaust runners

Cam Specs:

  • Cam Type: Roller Cam
  • .612 Intake .585 Exhaust
  • 225 Intake / 238 Exhaust duration
  • @ .050 - 113-degree lobe separation, 110 ICL

Ignition Timing:

  • Ignition box required - BluePrint Engines recommends MSD 6014 Ignition system 

Also Includes:

  • GM Musclecar Swap Oil Pan
  • Carbureted Intake Manifold
  • Coil Packs
  • Spark Plugs and Wires
  • Water pump
  • Harmonic Balancer 

Notes:

  • Engine is not shipped with Engine controller kit. Must purchase separately for your application. Engine is designed for Carbed LS, Or aftermarket EFI applications. Carb not included.
 

    Engine Accessory Specifications

    Your BluePrint engine was dyno tested with the parts and specifications listed below.  If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.

    Part Number: PSLS3760CT

    Fuel Delivery Type: Carbureted Intake Manifold

    Spark Plug: Champion 3015

    Spark Plug Gap: .040"

    Harmonic Balancer: Non Weighted

    Flexplate/Flywheel: Non Weighted

    Stall Converter: 2200+

    Intake Manifold: N/A

    Fuel Recommendation: 91 Octane

    Timing (Initial/Total Advance):

    Firing Order: 1,8,7,2,6,5,4,3

    Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710

    Engine features a 58x reluctor wheel and 4x cam sensor. Knock sensor provision located on side of block. Cam sensor located in timing cover.

    Header Partners:  Click here for our Header Partners and recommendations.

    Click here to download a copy of the Installation Guide that came with your BluePrint engine.

    BETTER THAN THE REST.

    The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque.

    We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.

    For a detailed overview of our warranty, click here.

    IT ALL COMES DOWN TO RESULTS.

    We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That's precisely why our engines sound and run better than our competitors.

    BRAGGING RIGHTS INCLUDED!

    A comprehensive, dyno-generated printout showing these critical specs will accompany your delivered engine. No more guessing or wondering what your installed engine's real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash 'em your dyno results!

    This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!

    RECOMMENDED PRODUCTS:
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    EFI Fuel Pump Kit 526-7 - For Holley 550-510 and 550-511
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    Holley EFI In-Tank Retrofit Fuel Pump - 450 LPH - Return Style
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    EFI Billet Aluminum Fuel Pressure Bypass Regulator - 40-75 PSI and -6AN ORB
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    GM LSX Compatible Starter – Delco Style - OEM Finish
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    168-Tooth Steel Flex Plate - 1-Piece Rear Main Seal - OEM LS 1-Piece Balance - 4L60E/4L70E - GM LS Compatible
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    168-Tooth Nodular Iron Flywheel - 6-Bolt Crank - 11" or 12" Clutch - GM LS Compatible
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    BluePrint Parts – GM LS Compatible Water Neck – 45°
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    BluePrint Parts – GM LS Compatible Water Neck – Straight
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