Blueprint Marine GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Base Dressed - Carbureted

Description: 

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

Block:

• BluePrint Engine 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 Steel Crankshaft
• 3.480" Stroke
• OEM Type 5.700" Connecting Rods
• Hypereutectic Pistons
• Internal Front/ External Rear Engine Balanced

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

Header Partners: 
Click here for our Header Partners and recommendations.

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

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
• 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

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.