BluePrint BP350CTFD Chevy 350 Cruiser EFI Mid-Dress LB Long Block Crate Engine

Description

Eliminate erratic cold morning starts using the BluePrint BP350CTFD Crate Engine. This 5.7 liter 350 cubic inch small block GM long block outputs 250 horsepower at 4400 RPM and 350 lb-ft torque at 3200 RPM. Equipped with modern throttle body fuel injection, this mid dress package provides high tech fuel metering while leaving front accessory bracket choices open.

Cast iron cylinder block construction utilizes sturdy four bolt ductile iron main caps across standard 4.000 inch cylinder bores and a 3.480 inch stroke. Internal rotating kit components include a cast steel crankshaft, 5.700 inch forged steel connecting rods, and cast aluminum pistons creating an 8.5:1 compression ratio. Wet sump capacity holds five quarts in a stamped steel oil pan, establishing an engine dry weight of 460 lbs.

Key Features of BluePrint BP350CTFD

Buy BluePrint BP350CTFD crate engine systems to install smart fuel injection into vintage trucks, cruisers, and hot rods. The mid dress configuration includes crucial fuel metering and ignition equipment while granting flexibility for custom air conditioning and alternator brackets.

• Self tuning throttle body injection adjusts fuel delivery in real time without manual jet changes.
• Hydraulic flat tappet camshaft provides dependable valvetrain operation with zero mechanical valve lash noise.
• Dual plane intake manifold maintains strong low end torque output from idle through 4500 RPM.
• Cast iron cylinder heads deliver thermal resistance and long lasting valve guide seat wear.
• BluePrint BP350CTFD engine management harness connects with clean plug in terminals to chassis power.
• Handheld digital monitor displays sensor readings, engine RPM, and closed loop oxygen sensor correction.
• High energy ignition distributor outputs consistent ignition spark for complete fuel combustion cycles.

Dynamic Valvetrain Combustion Performance Profile

Dyno verified performance shows 250 brake horsepower at 4400 RPM and 350 lb-ft torque at 3200 RPM, producing broad pulling power between 1200 and 4800 RPM. The flat tappet cam profile measures 194 degrees intake and 202 degrees exhaust duration at 0.050 inch lift, alongside 0.390 inch intake and 0.410 inch exhaust lift. The engine draws 18 in-Hg manifold vacuum at 750 RPM on standard 87 octane gasoline, maintaining 45 to 60 PSI hot oil pressure.

Chassis Clearance Drivetrain Integration Specs

Standard small block dimensions clear factory engine crossmembers in Chevrolet Chevelle, Impala, and pickup truck platforms. The neutral balance crankshaft matches standard GM flexplates and classic transmission bellhousing bolt patterns. Low profile intake and EFI throttle body geometry preserve hood clearance, while the rear sump oil pan clears forward steering linkages and pitman arms.

Engine Break In Service Protocols

Pre lube internal galleries with high zinc mineral oil and maintain 2000 RPM for twenty continuous minutes during the initial startup to bed the camshaft lobes. This cruiser package is not designed for forced induction boost, methanol race fuels, or open sea marine engine installations.

• Drain break in oil and replace the oil filter following the initial 500 road miles.
• Perform crankcase oil changes every 3000 miles or six months using high zinc motor oil.
• Examine high pressure EFI fuel connections and test oxygen sensor operation every 6000 street miles.

Factory Warranty Manifest Crate Contents

The unit features a 30-Month / 50,000-Mile factory limited warranty covering internal components against defects. The secure crate contains the mid dress long block, EFI throttle body, wiring harness, handheld controller, distributor, spark plug leads, oil pan, valve covers, and an individualized dynamometer report.