BluePrint Engines 396CI Stroker Crate Engine | Small Block GM Style | Base Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam
Part #: BP3961CTF
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:
- Aluminum intake manifold
Distributor
EFI system
Valve covers, oil pan and timing cover
Dyno tested and shipped with results
Warranty:
- 30 month / 50,000 mile
Notes:
-
Not for use in pollution controlled vehicles.
Engine package does not include fuel pump.
Engine is configured to run in fuel only mode. - The Aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake mounted bosses.
- 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.
Part #: BP3961CTF
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:
- Aluminum intake manifold
Distributor
EFI system
Valve covers, oil pan and timing cover
Dyno tested and shipped with results
Warranty:
- 30 month / 50,000 mile
Notes:
-
Not for use in pollution controlled vehicles.
Engine package does not include fuel pump.
Engine is configured to run in fuel only mode. - The Aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake mounted bosses.
- 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.
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: BP3961CTF
Fuel Delivery Type: Fuel Injected
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
Notes: Engine is not supplied with fuel pump kit
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
Click here to download a copy of the Installation Guide that came with your BluePrint engine.
BP3961CTF Recommended Parts

SBC FRONT ACCESSORY DRIVE | FULL SERPENTINE W/ ALT | PS | WP | AC | BRACKETS | BOLTS
BPP350FDACPS4BK
$1,680.95

SBC FRONT ACCESSORY DRIVE | FULL SERPENTINE W/ ALT | PS | WP | BRACKETS | BOLTS
BPP350FDPS4BK
$1,695.95

SBC FRONT ACCESSORY DRIVE | DUAL-BELT QUICK SERPENTINE W/ ALT | PS | WP | AC | BRACKETS | BOLTS
BPP350FDACPS3BK
$1,551.95

SBC FRONT ACCESSORY DRIVE | DUAL-BELT QUICK SERPENTINE W/ ALT | PS | WP | BRACKETS | BOLTS
BPP350FDPS3BK