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
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

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

Fuel Recommendation: 87+ Octane

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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: 87 Octane Approved

    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.

    At BluePrint Engines, customer satisfaction is our highest priority. Every engine is built using high-quality components, with each rotating assembly balanced to within two grams of specification. Before shipment, every crate engine is dyno tested and certified to ensure it is ready to deliver the horsepower and torque you expect.

    To stand behind that level of quality, BluePrint Engines offers industry-leading warranty coverage, providing confidence and peace of mind whether the engine is installed by an individual or a professional installer. Our standard warranty is fully transferable, adding long-term value and reassurance for our customers.

    Warranty Coverage Details:

    • BluePrint Engines (including Builder Series)- Standard Warranty 30 months or 50,000 miles (parts and labor)*
    • BluePrint Engines Extended Warranty- 48 months or unlimited miles (parts and labor)*
    • Race / Motorsports Engines -No warranty
    • Marine Engines- 12 months (parts and labor)
    • Short Blocks-12 months (parts only)
    • Bare Blocks- 6-Month Unaltered
    • International Sales- Warranty coverage is handled by the in-country distributor

    *Applies to eligible engine part numbers beginning with “B” or “P.” Warranty coverage is subject to terms and conditions. Proper installation and maintenance are required.

    Please refer to full warranty documentation for complete details 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)!

    RECOMMENDED PRODUCTS:
    Harmonic Balancer - GM SB Compatible - Internally Balanced
    Dual Plane Aluminum Vortec Intake Manifold Kit - Square Bore - GM SB Compatible - Natural
    Holley 670 CFM Brawler Carburetor - Electric Choke - Vacuum Secondaries - 4150
    TrueBlue Performance Octane Boost
    BluePrint Engines TrueBlue Performance Octane Booster
    BluePrint Engines TrueBlue UltraCool Antifreeze Coolant CONCENTRATE
    BluePrint Engines TrueBlue Power Steering Fluid
    BluePrint Engines TrueBlue Transmission Fluid UNIVERSAL ATF/MTF
    BluePrint Engines Crate Engine Break-In Oil — 1 Quart
    BluePrint Engines 10w30 Engine Oil - 1 Quart
    GM SB and BB Compatible Oil Filter
    BPP7938 NGK 7938 BKR5E Spark Plugs - Set of 8
    8mm Spark Plug Wire Set - 90° Boots - GM SB Compatible
    Mechanical Fuel Pump - GM SB Compatible 262-400 - 2 Valve - 80 GPH and 6 psi
    GM Compatible Fuel Pump Pushrod
    Fuel Pump Block Off - GM SB Compatible
    Electric Carburetor Fuel Pump - 130 GPH
    Liquid Filled Fuel Pressure Gauge - 0-15 psi
    Billet Aluminum Fuel Pressure Regulator - 5-12 PSI and -6AN ORB
    Holley Sniper 2 EFI - Self-Tuning Kit - Black 550-511-3XX
    Holley Sniper 2 EFI - Self-Tuning Kit - Chrome 550-510-3XX
    EFI Fuel Pump and Plumbing Kit BPP5267 - For Fuel injected engines
    BluePrint Engines EFI In-Tank Retrofit Fuel Pump - 340 LPH - Return Style
    EFI Billet Aluminum Fuel Pressure Bypass Regulator - 40-75 PSI and -6AN ORB
    Liquid Filled Fuel Pressure Gauge - 0-100 PSI
    GM SB and BB Compatible HEI Ready to Run Distributor - 65K Volt Coil - Black Cap
    GM SB and BB Compatible HEI Ready to Run Distributor - 65K Volt Coil - Black Dust Cover - Red Cap
    HEI Distributor 1-Piece Power and Tachometer Pigtail Harness
    GM SB and BB Compatible ProSeries Ready to Run Tach Drive Distributor - Black Cap with Fixed Collar
    GM SB and BB Compatible ProSeries Ready to Run Distributor - Black Cap and Body with Fixed Collar
    GM SB and BB Compatible ProSeries 2-Wire Distributor - Black Cap
    45K Volt Ignition Coil - Canister Round Oil-Filled - Female Socket - Black
    50K Volt Ignition Coil - External E-Core - Black
    Air Cleaner with Flat Base - 14" Chrome
    Air Cleaner with Flat Base - 14" Black
    Air Cleaner with Drop Base - 14" Chrome
    Air Cleaner with Drop Base - 14" Black
    Aluminum Mechanical Water Pump – GM SB Compatible – Long – Standard Rotation – Satin
    Aluminum Mechanical Water Pump – GM SB Compatible – Short – Standard Rotation – Satin
    GM SB and BB Compatible Starter – 3 HP – 153 or 168 Tooth Flywheel – Tilton Style - Chrome
    GM SB and BB Compatible Starter – 3 HP – 153 or 168 Tooth Flywheel – Tilton Style - Black
    GM SB and BB Compatible Starter – 168-Tooth Flywheel – Denso Style - OEM Finish
    168-Tooth Steel SFI 14" Flex Plate - 1-Piece Rear Main Seal - External Balance - GM Compatible
    153-Tooth Steel SFI Flex Plate - 1-Piece Rear Main Seal - External Balance - GM Compatible
    168-Tooth Iron Flywheel - 1-Piece Rear Main Seal - 11" Clutch - External Balance - GM Compatible
    BluePrint Parts – Jiggle Pin Thermostat – 180° - GM Small Block, GM Big Block, Mopar Magnum 360, and Ford Small Block Compatible
    BluePrint Parts - Aluminum Thermostat Housing Angle - GM Small Block and GM Big Block Compatible
    GM SB Compatible Front Accessory Drive - Full Serpentine with Alternator | AC | Power Steering | Water Pump | Brackets and Bolts
    GM SB Compatible Front Accessory Drive - Full Serpentine with Alternator | Power Steering | Water Pump | Brackets and Bolts
    GM SB Compatible Front Accessory Drive - Dual-Belt Quick Serpentine with Alternator | AC | Power Steering | Water Pump | Brackets and Bolts
    GM SB Compatible Front Accessory Drive - Dual-Belt Quick Serpentine with Alternator | Power Steering | Water Pump | Brackets and Bolts