GM Small Block Compatible 350 c.i. Engine - 390 Horsepower - Long Block
GM Small Block Compatible 350 c.i. Engine - 390 Horsepower - Long Block
GM Small Block Compatible 350 c.i. Engine - 390 Horsepower - Long Block
GM Small Block Compatible 350 c.i. Engine - 390 Horsepower - Long Block

GM Small Block Compatible 350 c.i. Engine - 390 Horsepower - Long Block

SKU: BP3505CT

GM Small Block Compatible 350 c.i. Engine - 390 Horsepower - Long Block

SKU: BP3505CT

Horsepower & Torque: 390 Horsepower / 410 FT. LBS. Torque

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 9.2:1

Camshaft: Hydraulic Roller Cam - .495 Intake / .502 Exhaust Lift and 220 Intake / 224 Exhaust Duration @.050-114° LSA

Pistons: Hypereutectic

Crankshaft: Cast Crank - 3.480" Stroke and 5.700" Rods

Regular price $4,799.00
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Description: 

  • Horsepower & Torque: 390 Horsepower / 410 FT. LBS. Torque
  • Compression Ratio: 9.2:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Cast Crankshaft
  • Hypereutectic Pistons

Block:

  • BluePrint Engines High Strength Cast Iron Block
  • Manufactured and Machined in the USA!
  • 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 Crankshaft
  • 3.480" Stroke
  • Forged 5.700" Connecting Rods
  • Hypereutectic Pistons
  • Internally Balanced Front - Externally Balanced Rear 

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - H8002K
  • 64cc Chamber
  • 2.02" Intake / 1.60" Exhaust Valves
  • 195cc Intake / 75cc Exhaust Runners

Cam Specs:

  • Cam Type: Roller
  • .495 Intake /.502 Exhaust Lift
  • 220 Intake / 224 Exhaust Duration
  • @.050-114 Degree Lobe Separation

Ignition Timing:

  • 32 Degrees Total at 3500 RPM

Also Includes:

  • Rear Sump Oil Pan
  • Timing Cover
  • Valve Covers
  • Dipstick

Recommended Break in Oil: BPP710 (Click Here)

Recommended Service Oil: BPP10W30 (Click Here)

Recommended Oil Filter: BPP51061 (Click Here)

Notes:

  • The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.


    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: BP3505CT

    Fuel Delivery Type: (Not included) Recommend 670cfm Carburetor BPP67265

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

    Spark Plug Gap: .035"

    Harmonic Balancer: (Not included) Recommend BPP350 - Non-Weighted, 8" Diameter

    Flexplate/Flywheel: (Not included) Recommend Late 350 Weighted BPP871006

    Stall Converter: 2000-2400 rpm

    Intake Manifold:  Dual Plane, Satin Aluminum BPP350VINT

    Fuel Recommendation: 91 Octane

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

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

    Recommended Break in Oil: BPP710 (Click Here)

    Recommended Service Oil: BPP10W30 (Click Here) 

    Recommended Oil Filter: BPP51061 (Click Here)

    Total Oil Capacity with Production Oil Pan, and Correct: BPP51061 Filter - 5 Quarts 

    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)!

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