Engine Code Suffix: EG
Block Casting Number: (Early) 3916323 -or- (Late) 3935440
Cylinder Bore: 4.094
Stroke: 3.76
Main Journal: 2.7495 / 2.7488
Rod Journal: 2.20
Intake Valve Size: 2.19
Exhaust Valve Size: 1.72
Bearing Caps: 4 Bolts
Balance: Internal
Head Casting Number: 3919840 (rectangular intake ports) Combustion Chamber: 106.8
Compression Ratio: 11.0 to 1
Intake Manifold Casting Number: (Early) 3885069 -or- (late) 3933163
Holley Carburetor List Number: 4053
Valve Covers: Chrome Plated with Internal Drippers
Exhaust Manifolds: (LH) 3909879 and (RH) 3916178
(Short) Water Pump: 3856284
Distributor: 1111170 Delco (if built in Canada: 1111169)
Camshaft: Mechanical Lifters, Int: .520, Exh: .520, Int Duration: 316, Exh Duration: 302, Rocker Ratio: 1.70, P/N 3904362, Casting: 3904366 Casting Symbol: "OMO"
Oil Capacity: 5 Qts
Spark Plugs: 8
Spark Plug Fireing Order: 18436572
Torque Specs (Always torque bolts in three equal increments)
Main Caps 396-454 (4 bolt) 110 ft-lbs.
7/16 Connecting Rod Cap 70 ft-lbs.
Cylinder Heads 75 ft-lbs. (long bolts), 65 ft-lbs. (short bolts)
Rocker Studs (screw-in) 50 ft-lbs.in)
Oil Pump 65 ft-lbs.
Oil Pan 12 ft-lbs.
Cam Sprocket (upper gear) 20 ft-lbs.
Timing Cover 6 ft-lbs.
Intake Manifold 25 ft-lbs.
Valve Cover 3 ft-lbs.
Exhaust Manifold 25 ft-lbs.
Spark Plugs 20 ft-lbs.
Centerbolt on Harmonic Damper 85 ft-lbs.
Bellhousing (Transmission to Block) 25 ft-lbs.
You can always Google "Big Block Chevrolet Engine Specifications"
