This BluePrint Engines 454 cubic inch GM big block crate engine is a base dressed, carbureted build that BluePrint lists as a Cruiser, rated at 460 horsepower and 479 lb-ft of torque. It uses a cast iron 4-bolt main block, hydraulic roller cam, and BluePrint PS8013 aluminum heads, and it comes with a Holley Classic 750 CFM vacuum secondary carburetor, dual plane intake, distributor, and harmonic balancer.
Specifications:
- Displacement: 454 c.i.
- Horsepower: 460 HP
- Torque: 479 lb-ft
- Bore: 4.250 in
- Stroke: 4.000 in
- Compression ratio: 9.85:1
- Block: High-strength cast iron 454 BBC, manufactured and machined in the USA, standard deck, 4-bolt main, 4.250 in bore, 1-piece rear main seal, mechanical fuel pump provision
- Crankshaft: Cast, 4.000 in stroke
- Connecting rods: OEM type, 6.135 in, with 150,000 PSI bolts
- Pistons: Hypereutectic, dome, 26cc
- Cylinder heads: BluePrint aluminum PS8013, 119cc chamber, 2.30 in intake / 1.88 in exhaust valves, 316cc intake / 124cc exhaust runners, .300 in raised exhaust port versus OEM casting (verify header and exhaust clearance)
- Camshaft: Hydraulic roller, .501 in intake / .510 in exhaust lift, 216/228 duration at .050, 112 deg LSA
- Induction: Carbureted: Holley Classic 750 CFM vacuum secondary carburetor with manual choke
- Balance: Externally balanced front and rear (external 42.5 oz. imbalance)
- Ignition timing: Initial 10-16 degrees, total 32-34 degrees
- Fuel: 91+ octane
- Part number: BP454CTC
What's Included: This is a base dressed, carbureted engine. BluePrint itemizes the following: Holley Classic 750 CFM vacuum secondary carburetor with manual choke (no BPP part number shown on the BluePrint page), Pro Billet ready run distributor (BPP350RBK), dual plane satin aluminum intake manifold, harmonic balancer (BPP454E), BluePrint valve covers, BluePrint dipstick, timing cover, oil pump, and oil pan.
Engine Platform: Built to the GM big block (BBC) platform, listed by BluePrint as a Cruiser. The engine has an external 42.5 oz. imbalance, and BluePrint recommends its flywheel 14096987 or flex plate 399973. BluePrint also recommends electric fans producing 4000 cfm or more for engines over 400 c.i.
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FAQ
What comes on the BP454CTC base dressed engine?
BluePrint itemizes a Holley Classic 750 CFM vacuum secondary carburetor with manual choke, a Pro Billet ready run distributor (BPP350RBK), a dual plane satin aluminum intake manifold, a harmonic balancer (BPP454E), BluePrint valve covers, a BluePrint dipstick, a timing cover, an oil pump, and an oil pan.
How much power does it make?
It is rated at 460 horsepower and 479 lb-ft of torque.
What carburetor is on it?
A Holley Classic 750 CFM vacuum secondary carburetor with a manual choke, on a dual plane satin aluminum intake. BluePrint does not show a BPP part number for the carburetor.
What octane does it require?
It is a 9.85:1 engine that BluePrint lists for 91+ octane fuel.
Does it need a specific flywheel or flex plate?
The engine has an external 42.5 oz. imbalance. BluePrint recommends its flywheel 14096987 or flex plate 399973.
