Buick LeSabre 1965 Service Manual page 23

ENGINE
SPECIFICATIONS 2 - 1
GROUP 2
ENGINE
SECTIONS IN GROUP 2
Section
2-A
2-B
2-C
2-D
Subject Page
Engine Specifications 2-1
Engine Description 2-11
Engine Tune - Care and
Trouble Diagnosis 2-23
Cylinder Head and Valve
Mechanism Service 2-29
Section Subject Page
2-E Replacement of Crankshaft and
Connecting Rod Bearings,
Pistons and Rings 2-39
2-F Cooling and Oiling Systems
Service 2-47
2-G Engine Mounting Adjustment 2-54
I
SECTION 2-A
ENGINE SPECIFICATIONS
CONTENTS OF SECTION 2-A
ph Subject Page Paragraph
2 - 1 E n g i n e B o l t T o r q u e S p e c i f i c a t i o n s . 2 - 1 2 - 3
2 - 2 E n g i n e G e n e r a l S p e c i f i c a t i o n s . . . . 2 - 3
Subject
Engine Dimensions, Fits and
Adjustments
Page
2-5
2 - 1 ENGINE BOLT TORQUE
SPECIFICATIONS
Use a reliable torque wrench to
tighten the parts listed. This will
insure that the proper torque is
obtained without straining or dis-
torting the parts. The specifica-
tions are for clean and lightly
a. Torque Specifications for 401 and 425 Cubic Inch Engines
Part Location
lubricated threads only. Dry or
dirty threads produce increased
friction which prevents accurate
measurement of torque.
Torque
ft. lbs.
Main Bearing Caps to Cylinder Block 95-120
Cylinder Head to Cylinder Block Bolts 65-80
Harmonic Balancer to Crankshaft 200 Min.
Fan Driving Pulley to Harmonic Balancer 18-25
Flywheel to Crankshaft (Auto. & Synchro.) 50-65
Connecting Rod 40-50
Oil Pan to Cylinder Block 9-13
Oil Pan Drain Plug 25-35
Oil Pump Cover - Body 6-12
Oil Screen Housing & Pipe to Block 6-9
Oil Pump to Block 30-40
Oil Gallery Plug 25-35
Oil Filter to Block 30-40
Timing Chain (& Water Pump Cover) to Block 17-23
Water Pump Cover to Timing Chain Cover 6-8
Fan Driven Pulley 17-23
Water Outlet to Manifold 17-23
Intake Manifold to Cylinder Head 25-35
Exhaust Manifold to Cylinder Heads 10-15
Carburetor to Intake Manifold 10-15
Air Cleaner Stud 17-23 lb. in.
Air Cleaner Wing Nut 17-23 lb. in.