This BluePrint Engines 350 cubic inch GM small block crate engine is a base dressed, fuel injected build rated at 341 horsepower and 371 lb-ft of torque. It is built on a cast iron 4-bolt main block with a hydraulic roller cam, forged rods, and BluePrint aluminum heads, and it ships with a Holley Sniper II EFI System, intake, distributor, valve covers, and rear sump oil pan. BluePrint describes it as a cruiser and daily driver engine that works with power brakes, a stock torque converter, stock gearing, and 87 octane fuel.
Specifications:
- Displacement: 350 c.i.
- 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, manufactured and machined in the USA, 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 / 75cc exhaust runners, .500 raised port versus OEM
- Camshaft: Hydraulic roller, .477 in intake / .471 in exhaust lift, 202/212 duration at .050, 115 deg LSA
- Induction: Fuel injected: Holley Sniper II EFI System (BPP550-510-3XX)
- Balance: Internally balanced front, externally balanced rear
- Ignition timing: 32 degrees total at 3500 RPM
- Fuel: 87+ octane
- Part number: BP350CTF
What's Included: This is a base dressed, fuel injected engine. BluePrint itemizes the following: Holley Sniper II EFI System (BPP550-510-3XX), dual plane satin aluminum intake (BPP350VINT), BluePrint logo valve covers (BPP9518), fuel pump block off plate (BPP42463), BluePrint dipstick (BPP9420), HEI distributor (BPP350RBK), rear sump oil pan, timing cover, and oil pump.
Engine Platform: Built to the GM small block (SBC) platform. BluePrint recommends electric fans producing 3000 cfm or more for engines 400 c.i. or less.
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 comes on the BP350CTF base dressed engine?
BluePrint itemizes a Holley Sniper II EFI System (BPP550-510-3XX), a dual plane satin aluminum intake (BPP350VINT), BluePrint logo valve covers (BPP9518), a fuel pump block off plate (BPP42463), a BluePrint dipstick (BPP9420), an HEI distributor (BPP350RBK), a rear sump oil pan, a timing cover, and an oil pump.
How much power does it make?
It is rated at 341 horsepower and 371 lb-ft of torque, which BluePrint lists as dyno-tested ratings.
What EFI system does it use?
It uses the Holley Sniper II EFI System, part number BPP550-510-3XX, a self-tuning system, on a dual plane aluminum intake with an HEI distributor.
Does it include a water pump, harmonic balancer, or spark plugs?
Those items are not itemized for this base dressed variant. BluePrint lists a harmonic balancer (BPP350) only as a related product, so plan to source a balancer, water pump, and spark plugs separately.
What octane does it require?
It is a 9.2:1 engine that BluePrint lists for 87+ octane fuel.
