BluePrint Engines 355CI Marine Crate Engine | Small Block GM Style | Longblock | Iron Heads | Flat Tappet Cam

$4,250.00
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: MBP3550CT

Description: 

Dyno Tested
  • HP & Torque: 365 HP / 390 FT LBS
    Compression Ratio: 9.5:1
    Cast Iron Heads
    Flat Tappet Cam
    Cast Steel Crank
    Hypereutectic Pistons

Block:

  • Hand picked seasoned 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" Bored .040" over
    1-Piece Rear Main Seal
    Mech fuel pump provision: Yes
    Passenger Side Dipstick Drilled and tapped for clutch linkage

Rotating Assembly:

  • Cast steel crankshaft
    3.480" Stroke
    OEM type 5.700" connecting rods w/ 150,000 psi bolts
    Hypereutectic pistons
    Internal Front/ External Rear

Cylinder Heads:

  • GM Vortec cast iron cylinder heads
    1.25 dia. valve springs, hardened retainers and keepers
    2.02 swirl polished intake valves
    1.60 swirl polished exhaust valves
    Elgin hardened push rods
    Long slot rockers with positive lock adjusting nuts

Cam Specs:

  • Cam Type: Flat tappet
    .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
    Polished aluminum valve covers
    Oil pan
    Brass freeze plugs
    All engines are dyno tested on a state of the art DTS dyno and ship with a complete spec sheet

Warranty:

  • 12 month unlimited hour on pleasurecraft only. No warranty on commercial use.

Notes:

  • Replaces Standard Rotation engines only. Not available as reverse rotation.

    Yellow Exclamation Triangle WARNING: Cancer and Reproductive Harm-
    www.P65Warnings.ca.gov

    This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
    Part #: MBP3550CT

    Description: 

    Dyno Tested
    • HP & Torque: 365 HP / 390 FT LBS
      Compression Ratio: 9.5:1
      Cast Iron Heads
      Flat Tappet Cam
      Cast Steel Crank
      Hypereutectic Pistons

    Block:

    • Hand picked seasoned 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" Bored .040" over
      1-Piece Rear Main Seal
      Mech fuel pump provision: Yes
      Passenger Side Dipstick Drilled and tapped for clutch linkage

    Rotating Assembly:

    • Cast steel crankshaft
      3.480" Stroke
      OEM type 5.700" connecting rods w/ 150,000 psi bolts
      Hypereutectic pistons
      Internal Front/ External Rear

    Cylinder Heads:

    • GM Vortec cast iron cylinder heads
      1.25 dia. valve springs, hardened retainers and keepers
      2.02 swirl polished intake valves
      1.60 swirl polished exhaust valves
      Elgin hardened push rods
      Long slot rockers with positive lock adjusting nuts

    Cam Specs:

    • Cam Type: Flat tappet
      .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
      Polished aluminum valve covers
      Oil pan
      Brass freeze plugs
      All engines are dyno tested on a state of the art DTS dyno and ship with a complete spec sheet

    Warranty:

    • 12 month unlimited hour on pleasurecraft only. No warranty on commercial use.

    Notes:

    • Replaces Standard Rotation engines only. Not available as reverse rotation.

      Yellow Exclamation Triangle WARNING: Cancer and Reproductive Harm-
      www.P65Warnings.ca.gov

      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: MBP3550CT

      Fuel Delivery Type: Carbureted, 600 cfm *Not Included*

      Spark Plug: AC 41-993

      Spark Plug Gap: .045"

      Harmonic Balancer: No

      Flexplate/Flywheel: No

      Stall Converter: N/A

      Intake Manifold: Marine, cast iron

      Fuel Recommendation: 91 Octane

      Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°

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

      Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR

       

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

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