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

$7,149.00

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: MBP3550CTC

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
    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
    218 Intake / 224 Exhaust duration
    @ .050 - 112 degree lobe separation

Also Includes:

  • Marine intake manifold
    Valve covers
    Marine Carburetor (Brand will vary due to supply)
    Distributor
    Oil pan
    Dyno test results shipped with engine

Warranty:

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

Notes:

  • 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.
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: MBP3550CTC

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
    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
    218 Intake / 224 Exhaust duration
    @ .050 - 112 degree lobe separation

Also Includes:

  • Marine intake manifold
    Valve covers
    Marine Carburetor (Brand will vary due to supply)
    Distributor
    Oil pan
    Dyno test results shipped with engine

Warranty:

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

Notes:

  • 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.

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: MBP3550CTC

Fuel Delivery Type: Carbureted, 600 cfm, electric choke

Spark Plug: Champion 13

Spark Plug Gap: .045"

Harmonic Balancer: No

Flexplate/Flywheel: Yes

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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