BluePrint Engines 396CI Stroker Crate Engine | Small Block GM Style | Longblock | Aluminum Heads | Roller Cam

$6,599.00

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: BP3961CT

Description:

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.

SPECIFICATION

REVIEWS

RECOMMENDATIONS

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part #: BP3961CT

Description:

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.

Customer Reviews

Based on 2 reviews Write a review

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: BP3961CT

Fuel Delivery Type: Carbureted, 850cfm ** Not included**

Spark Plug: BPP7938 NGK 7938 BKR5E

Spark Plug Gap: .035"

Harmonic Balancer: BPP350 - Non Weighted, 8" diameter

Flexplate/Flywheel: Late 350 Weighted

Stall Converter: 2000-2400 rpm

Intake Manifold: Dual plane, satin aluminum

Fuel Recommendation: 93 Octane or Higher

Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°

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

Recommended Break in Oil : BPP710 (Click Here)