BluePrint BP3961CT GM 396 SBC Base Engine, Alum Heads, Roller Cam

#227BP3961CT

BluePrint BP3961CT GM 396 SBC Base Engine, Alum Heads, Roller Cam

2 Questions

34 degrees total timing at 3500 RPM
Compression Ratio: 10.4:1
Cylinder heads have hardened springs and retainers

$6,599.00

Factory Shipped

This part will be shipped by the manufacturer. We estimate this item will ship on or before February 5th.

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Product Summary

350, 395, Long Block Crate Engine Type

34 degrees total timing at 3500 RPM
Compression Ratio: 10.4:1
Cylinder heads have hardened springs and retainers
This 396 cu. in. engine puts out 485 horsepower and 500 ft. lb. of torque
Features a new few forged steel crankshaft with new forged pistons and connecting rods

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Key Specs

Crate Engine Type	Long Block
Engine Displacement	396 cu. in.
Horsepower	491 horsepower
Compression Ratio	10.4:1
Torque	510 ft./lbs

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BluePrint Engines BP3961CT Details

True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!

GM 396 SBC Base Engine - Aluminum Heads - Roller Cam

HP & Torque: 491 HP / 509 FT LBS
Compression Ratio: 10.4:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons

Block:

NEW BluePrint Cast Iron Block
Manufactured and Machined in the USA!
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:

New BluePrint Forged Crankshaft
3.875 " Stroke
Forged I-beam 6.000" connecting rods
Forged Pistons
Internal Front/ External Rear

Cylinder Heads:

BluePrint Aluminum Cylinder Heads - HP8103
64cc chamber
2.08" intake/1.60" exhaust valves
220cc intake/67cc exhaust runners

Cam Specs:

Cam Type: Roller
.544 Intake .555 Exhaust
230 Intake / 236 Exhaust duration
@ .050, 110 ° lobe separation angle

Ignition Timing:

34 degrees total at 3500 RPM

Also Includes:

Valve covers, oil pan and timing cover
Dyno test results shipped with engine

Warranty:

30 month / 50,000 mile

Notes:

A bronze distributor gear is NOT recommended on this engine
Not for use in pollution controlled vehicles.
This engine features a true 4-inch bore, which mathematically yields 389 CID with a 3.875-inch stroke.
93 octane or higher is recommended for this engine.
The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.

Warranties

30 month / 50,000 mile

Warranty Information (PDF)

Guides & Documents

Crate Engines Guide/Document (227BP3961CT)

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

CA Prop 65

CARB warning

BluePrint Engines BP3961CT Specifications

KEY SPECS
MFG. Part #	BP3961CT
Brand	BluePrint Engines
Crate Engine Type	Long Block
Engine Displacement	396 cu. in.
Horsepower	491 horsepower
Compression Ratio	10.4:1
Torque	510 ft./lbs
Camshaft Type	Hydraulic Roller
Cylinder Head Material	Aluminum
Piston Material	Forged Aluminum
Crankshaft Material	Forged 4340 Steel
Camshaft Duration (.050 in)	230° intake / 236° exhaust
Camshaft Lift (in)	.544 intake / .555 exhaust
Bore x Stroke (in)	4.000" bored .040" over x 3.875"
Intake Manifold Included	No
Distributor Included	No
Connecting Rod Material	Forged Steel
Valve Covers Included	Yes
Cylinder Heads Included	Yes
Rear Main Seal Style	1-piece
Oil Pan Included	Yes
Timing Cover Included	Yes
Water Pump Included	No
Harmonic Balancer Included	No
Flexplate Included	No
Flywheel Included	No
Air Cleaner Included	No
Spark Plugs Included	No
Spark Plug Wires Included	No

GENERAL
Warranty	30 month / 50,000 miles
Assembled	Yes
Camshaft Included	Yes
Block	Hand picked, seasoned, square and parallel decked, 4 bolt main
Notes	Recommended oil for your BluePrint Crate Engine: 10W30, Non-Synthetic, Not for EGR