Pontiac firebird 1968 - Page 305

6A-8
1968 PONTIAC SERVICE MANUAL
TORQUE SPECIFICATIONS
Torque
(Lb, Ft.)
15
12
15
22
15
13
30
30
3.5
(Torque in lb. ft. unless otherwise specified.)
Application
Oil Pan
Bolt-Oil Baffle to Bearing Cap
Bolt-Pan to Cylinder Block
Bolt-Pan to Cyl. Blk. & Clutch
Hsg. Shield
Screw—Pan Drain
Bolt-Oil Pump Cover
Retainer—Oil Pump Reg. Spring
Bolt—Oil Pump Assy, to Block
Bolt-Oil Filter Pad Cover
Bolt—Push Rod Cover
Torque
(Lb. Ft.)
30
*
30
20
*
15
30
Application
Timing Chain Cover
Bolt-Cylinder Block
Stud-Block (Block End)
Nut-Block (Stud)
Engine Fan and Pulley
Bolt—Fan and Pulley to
Water Pump
Stud—Timing Chain Cover
Nut—Timing Chain Cover
Bolt—Intake Man. Water Outlet
Fit.
(*) Checked for alignment, bottoming, height and/or leaks.
COOLING SYSTEM
Type . . Pressure with vent
Operating Pressure 14-17 psi
Pump Type Centrifugal
Pump and Fan Drive V-Belt
Pump Bearings ........ Sealed Ball Bearings
Radiator Tube and Center
Core Area - Pontiac (All) . 480 Sq. in.
Core Area - 6-Cyl. Std. 353 Sq. in.
Core Area - 6-Cyl. A/C 480 Sq. in.
Core Area - 350 Std 480 Sq. in.
Core Area - 400 . ... 480 Sq. in.
Thermostat 190° F.
Fan Diameter - V-8 Std 19 in.
Fan Diameter - 6-Cyl. Std. ....... 17-5/8 in.
Fan Diameter - Power Flex 19 in.
Fan Diameter - 8-Cyl. Clutch Fan . . . 19-1/2 in.
Number of blades - Power Flex 5
Number of blades - Std. 4
Number of blades - Clutch Fan 7
Cooling System Cap. - 400 Pont.-All . ... 18 qts.
Cooling System Cap. - G.P 18.6 qts.
Cooling System Cap. - 428 ........ 17.2 qts.
* Cooling System Cap. - 400 17.8 qts.
* Cooling System Cap. - 400-A/C 19.4 qts.
* Cooling System Cap. - 350 18.6 qts.
*Cooling System Cap. - 350-A/C . ..... 20.2 qts.
Cooling System Cap. - 6-Cyl . 12.1 qts.
Cooling System Cap. - 350-with A/C . . . 12.7 qts.
LUBRICATION SYSTEM
Type . Pressure
Oil Pressure -
Pontiac exc. H.O. 35 psi above 2600 rpm
Oil Pressure -
Pontiac with H.O 60 psi above 2600 rpm
Oil Pressure -
6-Cyl. 30 psi above 2800 rpm
Oil Pressure -
350 35 psi above 2600 rpm
Oil Pressure -
GTO and Firebird 400 . . 60 psi above 2600 rpm
Engine Lubricant Capacity When
Refilling - 8 Cyl 5 qts.
(6 qts. if filter element is changed)
Engine Lubricant Capacity When
Refilling - 6 Cyl. . 5 qts.
(6 qts. if filter element is changed)
Oil Pump Type Spur Gear
* Tempest & Firebird V-8