BluePrint Engines 396CI Stroker Crate Engine | Small Block GM Style | Dressed Longblock with Carburetor | Aluminum Heads | Roller Cam
Part #: BP3961CTC
Description
- HP & Torque: 491 HP / 509 FT LBS
Compression Ratio: 10.4:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons
Block:
- Hand picked seasoned block
Square and parallel decked
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" Bored .040" Over
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:
- New valve covers, oil pan and timing cover
Aluminum Intake Manifold
HEI distributor
850cfm Carburetor
Brass freeze plugs
Dyno test results shipped with engine
Warranty:
30 month / 50,000 mile
Notes:
- Not for use in pollution controlled vehicles.
WARNING: Cancer and Reproductive Harm-
www.P65Warnings.ca.gov
Part #: BP3961CTC
Description
- HP & Torque: 491 HP / 509 FT LBS
Compression Ratio: 10.4:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons
Block:
- Hand picked seasoned block
Square and parallel decked
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" Bored .040" Over
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:
- New valve covers, oil pan and timing cover
Aluminum Intake Manifold
HEI distributor
850cfm Carburetor
Brass freeze plugs
Dyno test results shipped with engine
Warranty:
30 month / 50,000 mile
Notes:
- Not for use in pollution controlled vehicles.
WARNING: Cancer and Reproductive Harm-
www.P65Warnings.ca.gov
Customer Reviews
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: BP3961CTC
Fuel Delivery Type: Carbureted, 850cfm, manual choke
Spark Plug: Champion 792
Spark Plug Gap: .045"
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: 91 Octane
Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°
Firing Order: 1,8,4,3,6,5,7,2
Notes: Recommended break in oil for your BluePrint Crate Engine:BPP710, Not for EGR
Click here to download a copy of the Installation Guide that came with your BluePrint engine.
