BluePrint Engines GM 396 ci. 485 HP Stroker Base Fully Dressed F.I. Long Block Crate Engine BP3961CT
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Product Overview:
Description
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
Warranty
The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsep
Specifications
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: 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: Engine is not supplied with fuel pump kit
Recommended Break in Oil : BPP710
Recommended Service Oil : BPP10W30
Recommended Oil Filter ; BPP51061
Total Oil capacity with production oil pan, and Correct BPP51061 Filter : 5 Quarts
In the Box
Guides & Accessories
Instructions
Reviews
Questions & Answers
What type of distributor is included and is it compatible with the Holley sniper EFI? I have been told by a Holley representative that HEI was not compatible, thanks
