BluePrint Engines Builder Series 427CI Cobra Engine and 4R70W Auto Trans Package | Small Block Ford Style | Deluxe Dressed Longblock w/ Pulleys - Polished with Carburetor | Aluminum Heads | Roller Cam
Part #: BF427K4R7C
Description:


- HP & Torque: 541 hp / 519ft. lbs.
Compression Ratio: 10.0:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons
Block:
-
DART SHP Block Machined in the USA!
4-Bolt Main
4.125"
1-Piece Rear Main Seal
9.500 deck height
Rotating Assembly:
- New Forged Crankshaft
4.000" stroke
Forged 6.250" connecting Rods
Forged Pistons
Internal Balance
Cylinder Heads:
- Aluminum Cylinder Heads - 60cc chamber
2.02" intake/1.60" exhaust valves
205cc intake/70cc exhaust runners
Cam Specs:
- Cam Type: Roller
..608 intake .608 exhaust
248 intake / 258 exhaust @ .050
114 degree lobe separation
Also Includes:
-
427 Cobra aluminum valve covers
Aluminum oval air cleaner with Cobra script
Harmonic balancer
Aluminum water pump w/driver side inlet
Spark plugs & wires
Timing cover
Powder coated oil pan
180 degree Thermostat & housing
Oil filter
Plug wire seperators - Fuel Pump
- 9 quart oil pan
- complete front accessory drive with A/C and P/S
Assembled w/ Complete 4R70W Auto trans Package:
Includes Electronic Transmission Controller
Transmission built to 650 HP
2200-2600 Stall Torque Converter
Flexplate
Starter
4 Speed, Overdrive transmission w/Lockup
GEAR RATIOS
2.75 1st
1.55 2nd
1.00 3rd
.070 4th
Warranty:
- 30 month / 50,000 mile
Notes:
- Package Ships assembled as pictured.
- Does not include TPS, as varies with carb or EFI type.
- Note that 4R70W transmission may require modifications/replacement of driveshaft, transmission mount, exhaust routing, etc.
IF THIS IS BEING ORDERED FOR A FACTORY FIVE VEHICLE,
STOP AND CALL US AT 1-800-483-4263 FOR PROPER FITMENT
OR VISIT FACTORYFIVEENGINES.COM
Part #: BF427K4R7C
Description:


- HP & Torque: 541 hp / 519ft. lbs.
Compression Ratio: 10.0:1
Aluminum Heads
Hydraulic Roller Cam
Forged Crank
Forged Pistons
Block:
-
DART SHP Block Machined in the USA!
4-Bolt Main
4.125"
1-Piece Rear Main Seal
9.500 deck height
Rotating Assembly:
- New Forged Crankshaft
4.000" stroke
Forged 6.250" connecting Rods
Forged Pistons
Internal Balance
Cylinder Heads:
- Aluminum Cylinder Heads - 60cc chamber
2.02" intake/1.60" exhaust valves
205cc intake/70cc exhaust runners
Cam Specs:
- Cam Type: Roller
..608 intake .608 exhaust
248 intake / 258 exhaust @ .050
114 degree lobe separation
Also Includes:
-
427 Cobra aluminum valve covers
Aluminum oval air cleaner with Cobra script
Harmonic balancer
Aluminum water pump w/driver side inlet
Spark plugs & wires
Timing cover
Powder coated oil pan
180 degree Thermostat & housing
Oil filter
Plug wire seperators - Fuel Pump
- 9 quart oil pan
- complete front accessory drive with A/C and P/S
Assembled w/ Complete 4R70W Auto trans Package:
Includes Electronic Transmission Controller
Transmission built to 650 HP
2200-2600 Stall Torque Converter
Flexplate
Starter
4 Speed, Overdrive transmission w/Lockup
GEAR RATIOS
2.75 1st
1.55 2nd
1.00 3rd
.070 4th
Warranty:
- 30 month / 50,000 mile
Notes:
- Package Ships assembled as pictured.
- Does not include TPS, as varies with carb or EFI type.
- Note that 4R70W transmission may require modifications/replacement of driveshaft, transmission mount, exhaust routing, etc.
IF THIS IS BEING ORDERED FOR A FACTORY FIVE VEHICLE,
STOP AND CALL US AT 1-800-483-4263 FOR PROPER FITMENT
OR VISIT FACTORYFIVEENGINES.COM
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: BF427K4R7C
Fuel Delivery Type: Carbureted, 870cfm
Spark Plug: BPP7938 NGK 7938 BKR5E
Spark Plug Gap: .035"
Harmonic Balancer: Non-Weighted
Flexplate/Flywheel: Non-Weighted
Stall Converter: 2200+
Intake Manifold: Single plane, satin aluminum
Fuel Recommendation: 91 Octane
Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°
Firing Order: 1,3,7,2,6,5,4,8
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.