BluePrint Engines 50 State Legal replacement 4541970-1990 Crate Engine | Big Block Chevy 454 Style | Longblock | Iron Heads | Flat Tappet Cam
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part Number: G4547090
Description:
This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.
View the Application List HERE
Block:
- NEW BluePrint Cast Iron Block, 454 BBC
Manufactured and Machined in the USA!
4-Bolt Main
4.000" Stroke,
1-Piece Rear Main Seal
Mech fuel pump provision: Yes
Standard Deck
Rotating Assembly:
- New BluePrint 1 Piece Rear Main Seal steel crankshaft
- 4.000" Stroke 4.250" Bore
- OEM type 6.135" connecting rods w/ 150,000 psi bolts
- OEM spec pistons
- External Front Internal Rear
Cylinder Heads:
- Iron Heads
Cam Specs:
- Cam Type: Flat Tappet
- OEM spec per listed vehicles
Ignition Timing:
- OEM Specifications
Also Includes:
- New valve covers, oil pan and timing cover
- Dyno tested and shipped with results
Warranty:
- 30 month / 50,000 mile
Notes:
-
Designed as factory replacement longblock for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
- Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
- MUST see attached application list above for fitment.
- This engine features a 1 piece rear main seal crankshaft. If replacing an engine that was originally a 2 piece rear main seal, a new Flexplate, or Flywheel, will be required.
- Features External 42.5 oz. imbalance. Recommend GM flywheel 14096987, or TCI flexplate 399973.
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part Number: G4547090
Description:
This engine is designed and manufactured to factory specs for the specified vehicles below. It's manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.
View the Application List HERE
Block:
- NEW BluePrint Cast Iron Block, 454 BBC
Manufactured and Machined in the USA!
4-Bolt Main
4.000" Stroke,
1-Piece Rear Main Seal
Mech fuel pump provision: Yes
Standard Deck
Rotating Assembly:
- New BluePrint 1 Piece Rear Main Seal steel crankshaft
- 4.000" Stroke 4.250" Bore
- OEM type 6.135" connecting rods w/ 150,000 psi bolts
- OEM spec pistons
- External Front Internal Rear
Cylinder Heads:
- Iron Heads
Cam Specs:
- Cam Type: Flat Tappet
- OEM spec per listed vehicles
Ignition Timing:
- OEM Specifications
Also Includes:
- New valve covers, oil pan and timing cover
- Dyno tested and shipped with results
Warranty:
- 30 month / 50,000 mile
Notes:
-
Designed as factory replacement longblock for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required.
- Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of "replacement engine" in all 50 states.
- MUST see attached application list above for fitment.
- This engine features a 1 piece rear main seal crankshaft. If replacing an engine that was originally a 2 piece rear main seal, a new Flexplate, or Flywheel, will be required.
- Features External 42.5 oz. imbalance. Recommend GM flywheel 14096987, or TCI flexplate 399973.
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: G4547090
Fuel Delivery Type: OEM
Spark Plug: ACDELCO R44T
Spark Plug Gap: .044"
Harmonic Balancer: Weighted, 8" diameter
Flexplate/Flywheel: Weighted
Stall Converter: OEM
Intake Manifold: Dual plane, satin aluminum
Fuel Recommendation: 87 Octane
Timing (Initial/Total Advance): Controlled by OEM ECU
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 ; BPP51061 (Click Here)
Total Oil capacity with production oil pan, and Correct BPP51061 Filter : 8 Quarts
Header Partners: HUSLER 770-664-8880 Sanderson 650-583-4590 Lemons 805-239-8998
Click here for more Header Info.
Click here to download a copy of the Installation Guide that came with your BluePrint engine.