The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. These specifications should also be correct for the 1966 model year.
Bolt Torque Specifications |
AREA: |
Torque Lb. Ft. |
Spark Plugs |
25-35 |
Crankshaft bearing caps to cylinder block |
95-120 |
Connecting rods |
30-40 |
Cylinder head to cylinder block |
65-80 |
Harmonic balancer to crankshaft |
140 MINIMUM |
Fan driving pulley to harmonic balancer |
18-25 |
Flywheel to crankshaft (both auto and manual) |
50-65 |
Oil pan to cylinder block |
09-13 |
Oil pan drain plug |
25-35 |
Oil pump cover to timing chain cover |
08-12 |
Oil pump pressure regulator retainer |
25-30 |
Oil screen housing to cylinder block |
06-09 |
Oil pan baffle to cylinder block |
09-13 |
Oil galley plugs |
20-30 |
Filter assembly to pump cover |
10-15 |
Timing chain cover to block |
17-23 |
Water pump cover to timing chain cover |
06-08 |
Fan driven pulley |
17-23 |
Thermostat housing to intake manifold |
17-23 |
Intake manifold to cylinder head |
45-55 |
Exhaust manifold to cylinder head |
10-15 |
Carburetor to intake manifold |
10-15 |
Fuel pump to cylinder block |
17-23 |
Motor mount to cylinder block |
50-75 |
Fuel pump eccentric to timing chain sprocket to camshaft |
40-55 |
Rocker arm cover to cylinder head |
03-05 |
Rocker arm shaft bracket to cylinder head |
25-35 |
Delcotron (alternator) bracket to cylinder head |
30-40 |
Delcotron (alternator) bracket to water pump timing chain cover |
18-25 |
Delcotron (alternator) mounting bracket thru Delcotron to cylinder head
at pivot location |
30-40 |
Starting motor to block |
30-40 |
Starting motor brace to block |
09-13 |
Starter motor brace to starting motor |
09-13 |
Distributor hold down clamp |
10-15 |
Manual lower flywheel housing plate (inspection cover) |
09-13 |
Flywheel housing to cylinder block |
30-40 |
Fuel filter to cylinder head |
10-15 |