Pontiac Grand Prix Service Manual page 274

S I X CYLINDER ENGINE 6-35
Bearings
Length
.......................................................................................
-84'
Clearance
.............................................................................
.0005' . . 0028'
Material-1 Bbl
.....................................................................
.Moraine 100-A
-Q'Jet
....................................................................
.Moraine 400-A
Endplay on Carnkshaft
......................................................................
.008' . .014'
Crankshaft
Material
...............................................................................
.Nodular Iron
No
.
of Bearings
.....................................................................................
- 7
Main Bearing Material-1 Bbl
..............................................................
Durex 100-A
-Q'Jet
.............................................................
.Moraine 400
Thrust Taken On
..............................................................................
. N
0.
7
Crankshaft Endplay
.........................................................................
.002' . .006'
Journal Diameter
................................................................................
2.30'
Main Bearing Length-1-6
..........................................................................
80'
-Rear
......................................................................
1.01'
Clearance
................................................................................
.0003' . . 0020'
Crankpin Diameter
..............................................................................
2.00'
Flywheel and Sprockets
Flywheel.Material.Manua1
................................................................
.Cast Iron
--Automatic
...........................................................
Stamped Steel
--NO
.
of Teeth
..................................................................
155
.
....................................................................
Starter Motor Drive-No of Teeth 9
Crankshaft Sprocket-Material
.......................................................
Hardened Cast Iron
-NO
.
of Teeth
..................................................................
19
Camshaft Sprocket-Material
.......................................................
.Hardened Cast Iron
.
....................................................................
-No of Teeth
38
Timing Chain
........................................
.Neoprene Belt with Fiber Glass Cord Reinforcement
-No
.
of Teeth
.................................................................................
98
Harmonic Balancer
.....................................
.Cast Iron Weight with Rubber Floated Cast Pulley
Camshaft
Material
....................................................................
.Hardened Alloy Cast Iron
..................................................................................
Bearings-Number 7
-Type
...........................................................
.Integral with Aluminum Cover
-Diameter-All
........................................................................
.2.22'
Valve System
...................................................................................
Valve Lifter .None
...................................................
Lash Taken Up By
.Stationary Hydraulic Lash Adjuster
......................................................
.
Leak-Down Rate
34 Sec Min
.
With 50 Lb
.
Load
Plunger Travel (For Gauging Purposes)
...........................................................
125'
....................................................................................
Pushrod .None
..................................................................
Rocker Arm-Type .Cam Follower
....................................................
-Material .Hardened Alloy Cast Iron
...........................................................................
-Ratio 1.5.1
.................................................................
Rocker Arm Pivot Point
.Lash Adjuster
Timing
.
-Camshaft
........................................................
l.Bbl
-Intake Opens (BTC)(DEG)
...................................
14
Closes (ABC) (DEG)
...................................
46
Duration (DEG)
.........................................
240
Lift (IN)
.............................................
40(Y
-Exhaust Opens (BBC) (DEG)
...................................
46
Closes (ATC) (DEG)
...................................
14
Duration (DEG)
.........................................
240
Lift (IN)
.............................................
400"
-Valve Overlap (DEG)
.........................................
28
Q'Jet (A.T.)
14
50
244
.
438'
52
12
244
.
438'
26
Q'Jet (M.T.)
22