Make your own free website on Tripod.com

Automotive Torque Specifications

Home Buick Buick Full Size 1970-88

Buick Full Size 1970-88

LeSabre, Estate, Electra and Limited

Engine

Buick V-8
Component Torque
Cylinder Head Bolts 350 cu. in. 80 ft. lbs.
455 cu. in. 100 ft. lbs.
Exhaust Manifold Bolts 25 ft. lbs.
Flywheel/Driveplate Bolts 60 ft. lbs.
Intake Manifold Bolts 45 ft. lbs.
Main Bearing Cap Bolts 350 cu. in. 1970-72 95 ft. lbs.
1973-76 ( All ) 115 ft. lbs.
1977 and Later 100 ft. lbs.
Oil Pan Bolts 10 ft. lbs.
Oil Pump Cover Screws 10 ft. lbs.
Rocker Arm Cover Bolts 4 ft. lbs.
Rocker Arm Shaft Nuts 30 ft. lbs.
Rod Bearing Cap Nuts/Screws 350 cu. in. 1970-73 ( With nut ) 35 ft. lbs.
1970-73 ( With cap screw ) 40 ft. lbs.
455 cu. in. ( All ) 45 ft. lbs.
Thermostat Housing-to-Intake Manifold Bolts 20 ft. lbs.
Timing Chain Cover Bolts 30 ft. lbs.
Vibration Damper-to-Crankshaft Bolt 350 cu. in. 1970-72 120 ft. lbs.
1973-75 140 ft. lbs.
1976-77 175 ft. lbs.
1978 and Later 225 ft. lbs.
455 cu. in. 1970-75 200 ft. lbs.
1976 225 ft. lbs.
 

Fig. 1 Cylinder head bolt torque sequence-Buick V-8

Fig. 2 Intake manifold torque sequence-Buick V-8

Fig. 3 Timing mark alignment-Buick V-6 and V-8

 

Top of page

 

For images, go to www.torquespecs.com