This is a BluePrint Engines 350 cubic inch GM small block crate engine, built as a long block, rated at 390 horsepower and 410 lb-ft of torque. It pairs a cast iron block and forged rods with hypereutectic pistons, a hydraulic roller cam, and BluePrint aluminum cylinder heads, assembled as a long block that runs on regular pump gas. Every BluePrint crate engine is dyno tested and ships with a dyno printout.
Specifications:
- Displacement: 350 c.i. (5.7L)
- Horsepower: 390 HP
- Torque: 410 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
- 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, .495 in intake / .502 in exhaust lift, 220/224 duration at .050, 114 deg LSA
- Configuration: Long block (no induction)
- Balance: Internally balanced front, externally balanced rear
- Fuel: 87+ octane
- Part number: BP3505CT
What's Included: Long block assembly with BluePrint aluminum heads and hydraulic roller cam, plus BluePrint valve covers, dipstick, rear sump oil pan, and timing cover. 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. Runs on regular 87 octane pump gas.
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 BP3505CT long block?
It is a long block: the assembled block, forged-rod rotating assembly, aluminum cylinder heads, and hydraulic roller cam, plus valve covers, a rear sump oil pan, timing cover, and dipstick. It does not include an intake, carburetor or EFI, distributor, or accessories.
How much power does this 350 make?
It is rated at 390 horsepower and 410 lb-ft of torque, and ships with a dyno printout of its tested results.
What octane does it require?
It is a 9.2:1 engine designed to run on regular 87 octane pump gas.
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.
