ATK Engines 0282 Replacement Crate Engine for 1996-2000 for 5.7 Vortec Long Block Chevy
059-0282
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L31 Truck Engine
ATK Core Return Process
JEGS and ATK appreciate your business and want to ensure that your core return is as smooth as possible.
Please CLICK HERE for ATK Core Return Process
NOTE:
- Core return must be a 1996-2000 350ci Vortec Truck/SUV engine
Engine Specifications
Power Ratings:
- Factory Specs
- Horsepower: 255 hp
- Torque: 330 ft.-lbs.
- Carbureted
- Horsepower: 290 hp*
- Torque: 375 ft.-lbs.
*Carbureted engine was tested using a performance dual plane intake manifold, 670 cfm carburetor, and an HEI distributor.
Block Information:
- 1996-2000 seasoned OE block
- 2-bolt main
- 1-piece rear main seal
- Passenger side dipstick
- Displacement: 350 ci, 5.7L
Rotating Assembly:
- Crankshaft: OE reground cast 1 piece seal
- Balance: External rear, internal front
- Rods: OE reman powder metal 5.7 in.
- Compression Ratio: 9.6:1
- Pistons: Cast
- Rings: Moly
Camshaft Specs:
- Camshaft: Hydraulic roller
- Cam Duration @ .050 in.: Intake 191 / Exhaust 194
- Cam Lift: Intake 0.414 in. / Exhaust 0.428 in.
- Lobe Separation Angle: 112 lsa
- Timing Chain: Single roller
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
Oil Pan Information:
- Oil Pan: Black 4 quart
- Oil Pump: Melling standard volume
Long Block Includes
- Short Block
- Camshaft
- Timing Set
- Cylinder Heads
- Valve Covers
- Timing Cover
- Oil Pan
- Oil Pump & Pickup Tube
Notes: Does not have mechanical fuel pump provisions.
Engine Break-In Procedure
Use conventional or break-in oil (non-synthetic) for the first 600 miles of operation. Do not drive for long periods at any single speed, always vary your speed. Do not tow a trailer or put other heavy loads on the vehicle. Check the engine oil and coolant levels daily.
At 600 Miles change the engine oil and filter using conventional (non-synthetic) oil. Check fuel and ignition settings; adjust valves (where applicable).
After the first 5,000 of service synthetic engine oil may be used. Follow your vehicle owner’s manual for service intervals.
Specifications:
Can a mechanical fuel pump be used on this engine?
If I take the engine a part when I get it to verify that it was assembled correctly would that void warranty
If I were to swap the cam with the summit 8800 and the bottom end bearings fail would the warranty still stand
What distributor gear material does this engine require?
What’s the horsepower on this engine?
I would like to replace the 5.7 in my 1989 Chevy C1500 Silverado and use the Edelbrock Proflo 4 EFI system. Will this engine fit my truck?
im swapping out an olds 307 does that qualify as an engine core?
Can I change the cam to a performance cam
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.