BluePrint Engines Crate Engine, For GM Marine Small-Block, 350ci, 350 HP, Long Block, Each
Part Number:BPE-MBP3550CT
HP & Torque: 350 HP / 400 FT. LBS
Cylinder Heads: Cast Iron Vortec
Compression Ratio: 9.5:1
Camshaft: Flat Tappet - .480 Intake / .489 Exhaust Lift and 226 Intake / 236 Exhaust Duration @ .050 - 112° LSA
Pistons: Hypereutectic
Crankshaft: Steel Crank - 3.480" Stroke and 5.700" Rods
DETAILED INFORMATION
Description:
- HP & Torque: 350 HP / 400 FT LBS
- Compression Ratio: 9.5:1
- Cast Iron Heads
- Flat Tappet Cam
- Cast Steel Crank
- Hypereutectic Pistons
Block:
- New BluePrint 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"
- 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:
- 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:
- 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
- Valve covers
- Oil pan
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.
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: MBP3550CT
Fuel Delivery Type: Carbureted, 600 cfm *Not Included*
Spark Plug: Champion 13
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
