The Poorman's Off Chassis Restoration.Com
Car Nose Logo Back Button
Photo Gallery Pin-ups Store Parts
Specs Erudition IPC message board
Contact
Web Cam Video Destructive Tests

BUICK
 

Engine Torque Values
 
Year Engine Spark Plug
9
 Cylinder Head Bolts Intake Manifold Exhaust Manifold Rocker Arm Shaft Bracket Rocker Arm Cover Connecting Rod Cap Bolts Main Bearing Cap Bolts Flywheel to Crankshaft Vibration Damper to Pulley
1959 All 22-28 65-75 25-30 10-15 30-35 4-6 40-45 100-110 50-60 200
1960 All 25-30 65-75 25-30 10-15 30-35 4-6 40-45 100-110 50-60 200
1961-63 V6-198 25-30 65-70 25-30 10-15 30-35 3-5 30-35 100-125
1
 50-60 140-160
V8-215 15-20 50-55 25-30 10-15 25-30 3-5 30-35 50-55
2
 50-60 140-160
V8-364 25-35 65-75 25-30 10-15 30-35 3-5 40-45 100-110 50-60 200
V8-401 25-35 65-80 25-35 10-15 30-35 3-5 40-50 100-110 50-65 200
V8-425 25-35 65-80 25-35 10-15 30-35 3-5 40-50 100-110 50-65 200
1964 V6-225 25-35 60-70 25-35 10-15 25-30 3-5 60-75 65-70 50-60 140
V8-300 25-35 60-70 25-35 10-15 25-35 3-5 60-75 50-55
3
 50-60 140
401, 425 25-35 65-75 25-30 10-15 30-35 3-5 40-45 100-110 50-60 200
1965 V6-225 25-35 65-80 25-35 10-15 25-35 3-5 30-40 95-120 50-65 140
300,340 25-35 65-80 25-35 10-15 25-35 3-5 30-40 95-120 50-65 140
401, 425 25-35 65-80 25-35 10-15 25-35 3-5 40-50 95-120 50-65 200
1966 V6-225 25-35 65-80 45-55 10-15 25-35 3-5 30-40 95-120 50-65 -
300, 340 25-35 65-80 45-55 10-15 25-35 3-5 30-40 95-120 50-65 140
400,401,425 25-35 65-80 25-35 10-15 25-35 3-5 40-50 80-110 50-65 200
1967 V6-225 25-35 65-80 45-55 15-20 25-35 3-5 30-40 95-120 50-65 -
300, 340 25-35 65-80 45-55 15-20 25-35 3-5 30-40 95-120 50-65 140
400,401,425 15 100-120 45-55 15-20 25-35 3-5 45-50 80-115 50-65 200
1968-69 6-250 25 95
4
4
 - 5 35 65 60
5
V8-350 15 75 55 18 30 4 35 95 60 140
400, 430 15 100 55 18 30 4 45 110 60 200
1970-72 6-250 25
6
 95
4
4
 - 5 35 65 60
5
V8-350 15 75 55 18 25 4 35 95 60 120
V8-455 15 100 55
7
 18 25 4 45 110 58 200
1973 6-250 15 95 35 30 - 4 35 65 60
5
V8-350 15 80 45 28 30 4 40 115 60 140
V8-455 15 100 65 18 30 4 45 115 60 200
1974 6-250 15 95 35 30 - 4 35 65 60
5
V8-350 15 80 45 28 30 4 40 115 60 140
V8-455 15 100 45 28 30 4 45 115 60 200
1975 6-250 15 95 35 30 - 4 35 65 60 60
V6-231 15 75 45 25 30 5 40 115 55 150
V8-260 15 85 40 25 - 7 42
8
 60 255
V8-350 15 95 45 28 30 4 40 115 60 150
V8-400 15 95 40 30 - 8 45
10
 95 160
V8-455 15 100 45 28 30 4 45 115 60 200
 

Torque Specs are for clean and lightly oiled threads in Ft.-lbs.
 

1 - Rear bearing cap 100-110 ft.lbs.

2- Rear bearing cap 65-70 ft.lbs.

3-Rear bearing cap 60-70 ft.lb

4- End clamps 20, Center bolts 30

5- Pressed on

6- 1971 use 15 ft.-lbs.

7- 1971-72 use 65 ft.-lbs.

8- Cap # 1,2,3,4 80 ft.-lbs. Cap # 5 120 ft.-lbs.

9- Dry threads

10- Rear main 120 ft.-lbs, All others 100 ft.-lbs.