2 Year/50,000 Mile GM Warranty

Chevy Crate Engine Break-In Guide

Engine Specifications

Power Rating: 

• Horsepower: 265 HP at 4,300 RPM
• Torque: 351 ft.-lbs. at 3,300 RPM
• Max RPM: 5100

Block Information:

• Displacement: 350 ci, 5.7L
• Cast iron
• 4-bolt main
• 2-piece rear main seal
• 9.025 in. deck height
• 4.000 in. bore
• Dipstick provisions on both driver and passenger side (plugs included to plug unused side)
• Machined mechanical fuel pump boss 

Rotating Assembly:

• Stroke: 3.480 in.
• Crankshaft: Nodular iron
• Balance: Internal
• Rods: Powdered metal steel 5.7 in.
• Compression Ratio: 8.0:1
• Pistons: Cast aluminum
• Rings: Mahle Clevite

Camshaft Specs:

• Camshaft: Hydraulic flat tappet
• Cam Duration @ .050 in.: Intake 194 / Exhaust 202
• Cam Lift: Intake 0.385 in. / Exhaust 0.403 in.
• Timing Chain: Single-row roller chain

Cylinder Head Information:

• Cylinder Heads: Cast iron (similar to #882 castings)
• Pre-1986 intake bolt pattern
• Combustion Chamber: 76 cc
• Rocker Arms: Stamped steel 1.5
• Rocker studs: 3/8 in. pressed-in
• Valve Cover: Perimeter-bolt
• Valve Size: 1.940 in. Intake / 1.500 in. Exhaust

Oil Pan Information:

• Oil Pan: Black 4 quart
• Oil Pump: Melling stock pressure and volume

Ignition Timing

• Base: 10-degrees BTDC
• Total: 32-degrees 

 Long Block Includes

• Short Block
• Camshaft
• Timing Set
• Cylinder Heads
• Valve Covers
• Timing Cover
• Oil Pan
• Oil Pump & Pickup Tube