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  • GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block
  • GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block
  • GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block
  • GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block

GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block

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  • Detail
    • Detail

      Description:

      • Horsepower & Torque: 350 Horsepower / 400 FT LBS
      • Compression Ratio: 9.5:1
      • Cast Iron Heads
      • Hydraulic Roller Cam
      • Cast Crankshaft
      • Hypereutectic Pistons

      Block:

      • BluePrint Engines High Strength Cast Iron Block
      • Square and Parallel Decked
      • Align Honed Main Bearing Bore
      • Cylinders Honed on Computer-Controlled Machine to Within .0002 Straightness and Roundness
      • Cylinders are Sonic Tested for Thickness
      • 4-Bolt Main
      • 4.000" Bore
      • 1-Piece Rear Main Seal
      • Mech Fuel Pump Provision: Yes
      • Passenger Side Dipstick Drilled and Tapped for Clutch Linkage

      Rotating Assembly:

      • Cast Crankshaft
      • 3.480" Stroke
      • OEM Type 5.700" Connecting Rods
      • Hypereutectic Pistons
      • Internal Front/ External Rear Engine Balance

      Cylinder Heads:

      • Vortec Cast Iron Cylinder Heads
      • 1.94 Intake Valves
      • 1.50 Exhaust Valves
      • Hardened Push Rods
      • Long Slot Rockers with Positive Lock Adjusting Nuts

      Cam Specs:

      • Hydraulic Roller Cam
      • .480 Intake / .489 Exhaust Lift
      • 226 Intake / 236 Exhaust Duration
      • @.050-112° Lobe Separation Angle

      Ignition Timing:

      • 34 Degrees Total at 3500 RPM

      Also Includes:

      • New Cast Iron Marine Intake
      • Valve Covers
      • Oil Pan

      Notes:

      • This engine is designed for CARBURETED use only. It is NOT for use in any factory fuel injected applications.
      • Replaces Standard Rotation engines only. Not available as reverse rotation.
      • BluePrint Engines recommends the use of a flame arrestor in marine applications and advises checking local laws to ensure compliance with the United States Coast Guard Requirements for Ignition Protection & Fire Resistance.

    • Description
      This 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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