Chevrolet Performance GM Replacement Small Block Chevy Crate Engine [1996-2002 L31 LD Vortec 350 ci/5.7L V8]
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1996-2002 Truck Vortec Engines
Replacement Chevy 350 Vortec light-duty engine will provide the OE horsepower and torque specifications while offering added durability over the factory engine. New harmonic balancer, oil pan, timing cover, and valve covers come pre-installed allowing less labor time swapping parts around. This engine features precision machine work and final cylinder honing all on computer-controlled machinery.
3 Year/100,000 Mile GM Warranty
Chevy Crate Engine Break-In Guide
Engine Specifications
Power Rating:
- Horsepower: 255 HP
- Torque: 330 ft.-lbs.
Block Information:
- Displacement: 350 ci, 5.7L
- Cast iron
- 4-bolt main
- 1-piece rear main seal
- 9.025 in. deck height
- 4.000 in. bore
- Dipstick provisions on both driver and passenger side
- Mechanical fuel pump capable (no eccentric on camshaft)
Rotating Assembly:
- Stroke: 3.480 in.
- Crankshaft: Forged 1053 steel
- Balance: External rear, internal front
- Rods: Powdered metal 5.7 in.
- Compression Ratio: 9.4:1
- Pistons: Hypereutectic with graphite coating
- Rings: Mahle Clevite
Camshaft Specs:
- Camshaft: Hydraulic roller
- Cam Duration @ .050 in.: Intake 191 / Exhaust 196
- Cam Lift: Intake 0.414 in. / Exhaust 0.428 in.
- Timing Chain: Silent link chain
Cylinder Head Information:
- Cylinder Heads: Vortec cast iron
- Combustion Chamber: 64 cc
- Intake Runner: 165 cc
- Valve Size: 1.940 in. Intake / 1.500 in. Exhaust
- Rocker Arms: Stamped steel 1.5
- Valve Seats: Induction hardened
Oil Pan Information:
- Oil Pan: Black 4 quart
- Oil Pump: Melling stock pressure and volume
Long Block Includes
- Short Block
- Camshaft
- Timing Set
- Cylinder Heads
- Valve Covers
- Timing Cover
- Oil Pan
- Oil Pump & Pickup Tube
19432780 supersedes 12691673
Specifications:
Does this motor have a billiet steel camshaft
Can I install this engine on a 1986 Chevy k10??
Is this a steel crank?? Not cast correct? My 4l60e will bolt up with no problem correct??
Will the computer in my original 99 Tahoe run this engine?
Will this work with the stock 4L80E Transmission?
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.