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1984 Oldsmobile 307 Engine Specifications
General
Specifications
| Block | |
| Type | 90-degree V8 |
| Displacement | 5.0 Liter (307 CID) |
| Bore | 3.800" |
| Stroke | 3.385" |
| Compression Ratio | 8.0:1 |
| Firing Order | 1-8-4-3-6-5-7-2 |
| Sales Code | LV2 |
| VIN Codes | Y and 9 |
| Block Casting Number | 3161 |
| Block ID Number | 5A |
| Cylinder Head | |
| Head Casting Number | 3317 |
| Head ID Number | 5A |
| Combustion Chamber Volume | 67cc |
| Intake Port Height | 2.03" |
| Intake Port Width | 1.30" |
| Int. Valve Face Angle | 44 degrees |
| Int. Valve Seat Angle | 45 degrees |
| Int. Valve Head Dia. | 1.750" |
| Exh. Valve Face Angle | 30 degrees |
| Exh. Valve Seat Angle | 31 degrees |
| Exh. Valve Head Dia. | 1.500" |
| Valve Train | |
| Lifter Bank Angle | 39 degrees |
| Lifter Diameter | .842" |
| Pushrod Length | 8.265" |
| (Y) Spring Free Length | 1.960" |
| (Y) Pressure @ 1.670" | 76-84 lbs. |
| (Y) Pressure @ 1.270" | 180-194 lbs. |
| (9) Spring Free Length | 2.090" |
| (9) Pressure @ 1.670" | 85-95 lbs. |
| (9) Pressure @ 1.270" | 203-217 lbs. |
| Camshaft | |
| Rocker Arm Ratio | 1.6:1 |
| (Y) Intake Valve Lift | .400" |
| (Y) Exhaust Valve Lift | .400" |
| (9) Intake Valve Lift | .440" |
| (9) Exhaust Valve Lift | .440" |
| Intake Manifold | |
| Manifold ID Number | A4 |
| Material | Aluminum |
| Carburetor | |
| Manufacturer | Rochester |
| Type | Quadrajet (4-bbl) |
| Primary Venturi | 1 3/32" |
| Primary Bore Dia. | 1 3/8" |
| Secondary Bore Dia. | 2 1/4" |
| Ignition | |
| Type | High Energy Ignition |
| Spark Advance | Electronic |
| Spark Plug Type | AC R46SZ |
| Spark Plug Gap | .080" |
| Lubrication | |
| Oil Capacity | 5.0 qts. (w/ filter) |
| AC Oil Filter | PF-58 |
| Pressure @ 1500 RPM | 30 psi. (206 kPa) |
| Application | Torque N*m (lb*ft) |
| Air Cleaner to Carburetor Stud | 7 - (5) |
| Carb. to Intake Manifold Bolts | 14 - (10) |
| Choke Plate to Intake Manifold Bolts | 20 - (15) |
| Connecting Rod Nuts | 57 - (42) |
| Crankshaft Balancer to Crankshaft Bolt | 271-420 - (200-310) |
| Crankshaft Bearing Cap Bolts (Nos. 1, 2, 3, 4) | 108 - (80) |
| Crankshaft Bearing Cap Bolts (No. 5) | 163 - (120) |
| Cylinder Head Bolts* | 169 - (125) |
| Distributor Clamp to Cylinder Block Bolt | 23 - (17) |
| EGR Valve to Intake Bolts | 34 - (25) |
| Exhaust Manifold to Cylinder Head Bolts | 34 - (25) |
| Engine Mount to Cylinder Block Bolts | 102 - (75) |
| Engine Mount to Frame Bracket Bolts | 47 - (35) |
| Fan Driven Pulley to Hub Bolts | 27 - (20) |
| Fan Driving Pulley to Balancer Bolts | 27 - (20) |
| Flywheel to Crankshaft Bolts | 81 - (60) |
| Front Cover to Cylinder Block Bolts (3/8") | 47 - (35) |
| Fuel Pump Eccentric to Camshaft Bolt | 88 - (65) |
| Fuel Pump to Cylinder Block Bolt and Nut | 34 - (25) |
| Intake Manifold to Cylinder Head Bolts* | 54 - (40) |
| Oil Filter Adaptor to Cylinder Block Bolts | 47 - (35) |
| Oil Filter Element to Adaptor | 27 - (20) |
| Oil Pan Bolts | 14 - (10) |
| Oil Pan Drain Plug | 41 - (30) |
| Oil Pan Nuts | 24 - (17) |
| Oil Pump Cover to Pump Bolts | 11 - (8) |
| Oil Pump to Bearing Cap Bolts | 47 - (35) |
| Spark Plugs | 34 - (25) |
| Starter to Cylinder Block Bolts | 41 - (30) |
| Starter Brace to Cylinder Block Bolts | 34 - (25) |
| Starter Brace to Starter Bolt | 20 - (15) |
| Starter Brace to Starter Stud | 11 - (8) |
| Valve Cover Bolts | Fully Driven, Seated, Not Stripped |
| Water Pump to Front Cover Bolts | 18 - (13) |
| Water Outlet to Intake Manifold Bolts | 27 - (20) |
* Clean and dip entire bolt in engine oil before tightening to obtain a correct torque reading.
1984 Chassis Service
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