Skip to content
English
Sign in
Go to www.blueprintengines.com
  • There are no suggestions because the search field is empty.

BPC4085CT Series

Horsepower & Torque: 465 Horsepower / 494 FT. LBS. Torque          Cylinder Heads: BluePrint Engines Assembled, Edelbrock Aluminum Cylinder Heads                                                                                Compression Ratio: 10:1                                                                      Camshaft: Hydraulic Roller - .544 Intake / .541 Exhaust Lift and 236 Intake / 242 Exhaust Duration @ .050 - 110° LSA                                                    Pistons: Forged                                                                                          Crankshaft: Cast Crank - 4.000" Stroke and Forged 6.123" Rods              Fuel Recommendation: 91+ Octane

Description:

  • Horsepower & Torque: 465 Horsepower / 494 FT. LBS. Torque
  • Compression Ratio: 10:1
  • Aluminum Heads
  • Roller Cam
  • Cast Crankshaft
  • Forged Pistons

Block:

  • Hand-Picked Seasoned Magnum 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
  • 2-Bolt Main
  • 4.040" Bore
  • 2-Piece Rear Main Seal
  • Mech Fuel Pump Provision: Yes

Rotating Assembly:

  • Cast Crankshaft
  • 4.000" Stroke
  • Forged Magnum 6.123" Connecting Rods w/ 150,000 PSI Bolts
  • Forged Pistons
  • Externally Balanced Front and Rear

Cylinder Heads:

  • BluePrint Engines Assembled and Machined Edelbrock 61769 Casting
  • Aluminum Magnum Pattern Cylinder Heads 
  • 58cc Chamber
  • Aluminum Roller Rockers
  • 2.02" Intake / 1.60" Exhaust Valves
  • 176cc Intake / 75cc Exhaust Runner

Cam Specs:

  • Cam Type: Roller
  • .544 Intake / .541 Exhaust Lift
  • 236 Intake / 242 Exhaust Duration
  • @.050-110 Degree Lobe Separation

Ignition Timing:

  • 34 Degrees Total at 4000 RPM

Also Includes:

  • Valve Covers
  • Oil Pan
  • Timing Cover

Notes:

  • Not for use in pollution-controlled vehicles.
  • Required Magnum Pattern intake manifold. Tested with BPP7577
  • If installing with a Manual Transmission with .750" input shaft, Recommended Pilot bearing is PN FC-69907.
  • Recommended Pilot OD is 1.81"

 

Engine Accessory 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: BPC4085CT

Fuel Delivery Type: Carbureted, 750cfm, manual choke

Spark Plug: BPP7938 NGK 7938 BKR5E (.750 inch reach, 14mm thread, 5/8 hex, plug)

Spark Plug Gap: .035"

Harmonic Balancer: Magnum Weighted balancer such as BPP360. EXTERNALLY BALANCED '1993-'1997, 7.25" Diameter.

Flexplate/Flywheel: LA 360, (Pre-Magnum) such as BPP727360 if paired with 727 transmission.

Stall Converter: 2200 - 2600 rpm

Intake Manifold: Dual plane, satin aluminum

Fuel Recommendation: 91+ Octane Approved

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)

Recommended Service Oil: BPP10W30 (Click Here) 

Recommended Oil Filter: BPP21085 or BPP51515 (Click Here)

Total Oil capacity with production oil pan, and Correct Filter: 5 Quarts