Name: GM Marine BB Compatible 540 c.i. ProSeries Engine - 670 HP - Base Dressed - Carbureted
Brand: Blueprint Engines
SKU: PSM5400CTC1
Price: 14599.0 USD
Availability: InStock

GM Marine BB Compatible 540 c.i. ProSeries Engine - 670 HP - Base Dressed - Carbureted

HP & Torque: 670 HP / 660 FT. LBS

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller Cam - .647 Intake /.647 Exhaust Lift and 248 Intake / 254 Exhaust Duration @ .050 - 112° LSA

Pistons: Forged

Crankshaft: Forged Steel Crank - 4.250" Stroke and 6.385" Rods

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Description:

HP & Torque: 670 HP / 660 FT LBS
Compression Ratio: 10.0:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons

Block:

NEW BluePrint Cast Iron Block
Manufactured and Machined in the USA!
4-Bolt Main
4.500"
1-Piece Rear Main Seal
Mech fuel pump provision: Yes
Standard Deck

Rotating Assembly:

New BluePrint Forged Crankshaft
4.250" Stroke
Forged H-beam 6.385" connecting rods
Forged Pistons
Internal

Cylinder Heads:

BluePrint Aluminum Cylinder Heads - PS8013
Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting.
119cc chamber
2.30" intake/1.88" exhaust valves
316cc intake/124cc exhaust runners

Cam Specs:

Cam Type: Roller
.647 Intake .647 Exhaust
248 Intake / 254 Exhaust duration
@ .050 - 112-degree lobe separation

Also Includes:

850cfm carb
Edelbrock aluminum intake manifold
Distributor
Valve covers, oil pan and timing cover
spark plugs
MSD spark plug wires
Harmonic Balancer

Notes:

For boats being used in salt water, BluePrint Engines recommends a closed cooling system be used as the aluminum cylinder heads and intake manifolds do not have brass lined water passages.
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: PSM5400CTC1

Fuel Delivery Type: Carbureted, 850cfm

Spark Plug: BPP7938 NGK 7938 BKR5E (.750 inch reach, 14mm thread, 5/8 hex, plug)

Spark Plug Gap: .035"

Harmonic Balancer: Non-Weighted

Flexplate/Flywheel: Non-Weighted

Stall Converter: N/A

Intake Manifold: Single plane, satin aluminum

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 For boats being used in salt water, BluePrint Engines recommends a closed cooling system be used

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.

BETTER THAN THE REST.

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.

For a detailed overview of our warranty, click here.

IT ALL COMES DOWN TO RESULTS.

We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That's precisely why our engines sound and run better than our competitors.

BRAGGING RIGHTS INCLUDED!

A comprehensive, dyno-generated printout showing these critical specs will accompany your delivered engine. No more guessing or wondering what your installed engine's real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash 'em your dyno results!

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