GM LS Compatible 376 c.i. Pro Series Engine - 525 Horsepower - Base Dressed - No ECU / Harness
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Detail
- Detail
Overview:
The LS-compatible layout has become a favorite for its rock-solid reliability and proven track record, this BluePrint 376 c.i. Pro Series is a street-ready powerhouse built for performance. Delivering a power packed 525 horsepower and 460 ft-lbs of torque, this popular LS-compatible engine is perfect for restomods, street machines, and pro-touring builds. At its core is a high-strength BluePrint cast iron block with LSX-style features—thicker decks, reinforced webbing, and extended cylinder skirts for added durability. It's topped with LS3-style aluminum heads, a 10.7:1 compression ratio, hydraulic roller cam, hypereutectic pistons, a nodular iron crankshaft, and BluePrint Engines Fabbed Aluminum Intake Manifold.
Description:
- Horsepower & Torque: 525 Horsepower / 460 ft. lbs. Torque
- Compression Ratio: 10.7:1
- BluePrint Engines LS3 Aluminum Heads
- BluePrint Engines Hydraulic Roller Cam
- BluePrint Engines Hypereutectic Pistons
- Nodular Iron Crankshaft
Block:
- BluePrint Engines High Strength Cast Iron (LSX Style) Block
- Increased Deck Thickness and Strength Webbing
- Utilizes OEM LS3 Front and Rear Covers
- Improved Water Jacket Design
- Extended Cylinder Skirt
- 1-Piece Rear Main Seal
- Priority Main Oiling
- 4.0662" Bore
- 6-Bolt Main
Rotating Assembly:
- Nodular Iron Crankshaft
- 3.622" Stroke
- 6.098" Connecting Rods w/ 150,000 PSI Bolts
- Hypereutectic Pistons
- Internally Balanced Front and Rear
Cylinder Heads:
- BluePrint LS3 Aluminum Cylinder Heads - PS8015
- 69cc Chamber
- 2.165" Intake / 1.590" Exhaust Valves
- 259cc Intake / 102cc Exhaust Runners
Cam Specs:
- Hydraulic Roller Cam
- .612 Intake / .585 Exhaust Lift
- 225 Intake / 238 Exhaust Duration
- @.050-113 Degree Lobe Separation
Ignition Timing:
- Controlled by Customer Sourced Engine Management. (Not Included)
Also Includes:
- This engine Does NOT come with a Fuel Injection ECU and Wiring Harness.
- LS3 Fabricated Aluminum Intake Manifold - BPP822112
- Drive by Wire Throttle Body - BPP12191019
- LS Swap Oil Pan - BPP81073
- Water Pump - BPPLS126WP
- Injectors and Fuel Rail Kit
- Spark Plugs & Wires
- Harmonic Balancer
- Timing Cover
- Valve Covers
- Coil Packs
Notes:
- This engine requires a non-weighted flex plate/flywheel.
- Recommended fuel: 91 Octane.
- BluePrint Engines recommends a 2200+ RPM stall converter.
- Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars.
- Not for use in pollution-controlled vehicles or in dry sump applications.
- Does NOT include engine controller. This is a dressed long block only. No Harness/ECU provided. This is for customers wishing to use their own engine controller package.
- DescriptionThis engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.
- Warranty
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.
- Notes
- Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
- Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
- If your vehicle was originally equipped with a 2-piece rear main seal crankshaft, a new flex plate or flywheel will be required. Note for those same early applications, this block features the dipstick on the Passenger side.
- Must verify with application list linked above for fitment.
- Also Includes
- New Valve Covers
- Rear Sump Oil Pan
- Timing Cover
- Harmonic Balancer
Recommended Break in Oil: BPP710 (Click Here)
Recommended Service Oil: BPP10W30 (Click Here)
Recommended Oil Filter: BPP51061 (Click Here)
- Ignition Timing
- OEM Specifications
- Cam Specs
- Hydraulic Flat Tappet
- OEM Spec Per Listed Vehicles
- Cylinder Heads
- Perimeter Bolt Iron Cylinder Heads
- Rotating Assembly
- Cast Crankshaft
- 3.480" Stroke
- Forged 5.700" Connecting Rods
- OEM Spec Pistons
- Internally Balanced Front - Externally Balanced Rear Engine
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