This is a BluePrint Engines 350 cubic inch GM small block crate engine, built as a long block, rated at 341 horsepower and 371 lb-ft of torque. It is a cruiser and daily driver build pairing a cast iron block and forged rods with hypereutectic pistons, a hydraulic roller cam, and BluePrint aluminum cylinder heads, assembled as a long block ready for the buyer's own induction and accessories. Every BluePrint crate engine is dyno tested and ships with a dyno printout of its results.
Specifications:
- Displacement: 350 c.i. (5.7L)
- Horsepower: 341 HP
- Torque: 371 lb-ft
- Bore: 4.000 in
- Stroke: 3.480 in
- Compression ratio: 9.2:1
- Block: High-strength cast iron, 4-bolt main, 1-piece rear main seal, mechanical fuel pump provision, passenger side dipstick, drilled and tapped for clutch linkage
- Crankshaft: Cast, 3.480 in stroke
- Connecting rods: Forged 5.700 in
- Pistons: Hypereutectic, dish, 12cc
- Cylinder heads: BluePrint aluminum H8002K, 64cc chamber, 2.02 in intake / 1.60 in exhaust valves, 195cc intake runners
- Camshaft: Hydraulic roller, .477 in intake / .471 in exhaust lift, 202/212 duration at .050, 115 deg LSA
- Configuration: Long block (no induction)
- Balance: Internally balanced front, externally balanced rear
- Fuel: 87+ octane
- Part number: BP350CT
What's Included: Long block assembly with BluePrint aluminum heads and hydraulic roller cam, plus BluePrint logo valve covers BPP9518, dipstick BPP9420, timing cover, and a rear sump oil pan. Carburetor or EFI, intake, ignition, and front accessories are not included on the long block.
Engine Platform: Built to the GM small block (SBC) platform. BluePrint states this engine is designed for power brakes, a stock torque converter, stock gearing, and 87 octane, with up to 18 inches of vacuum. BluePrint notes a .500 raised port versus OEM on the cylinder heads, so verify header and exhaust clearance.
Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information visit www.P65Warnings.ca.gov.
FAQ
What is included with the BP350CT long block?
It is a long block: the assembled block, rotating assembly, aluminum cylinder heads, and hydraulic roller camshaft, plus BluePrint logo valve covers BPP9518, dipstick BPP9420, timing cover, and a rear sump oil pan. It does not include a carburetor or EFI, intake manifold, distributor, or front accessory drive.
How much power does the 350 make?
The family rating is 341 horsepower and 371 lb-ft of torque, and each BluePrint engine ships with a dyno printout of its tested results.
Is it internally or externally balanced?
It is internally balanced at the front and externally balanced at the rear, so match the flywheel or flex plate accordingly.
What fuel does it require?
It is a 9.2:1 engine designed to run on regular 87 octane pump gas.
What parts and accessories does BluePrint list for this engine?
BluePrint lists the Holley 670 CFM Brawler carburetor BPP67256670, HEI distributor BPP350BK, NGK spark plugs BPP7938, water pumps BPP67265 and BPP1668, oil filter BPP51061, 10W-30 oil BPP10W30, break-in oil BPP710, and BPP350FD front accessory drives among its parts and accessories for this engine.
