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8-68
GROUP
8-
ENGINE
GENERAL ENGINE (Continued)
ENGINE IDLE MANIFOLD VACUUM-Minimum
Inches of Mercury
@
Specified Engine Neutral Idle
rpm
(Sea Level)
200
and
250-18
17
302 V-8
18
351V-8
18
IGNITION TIMING
Manual shift and Automatic transmission
200
6° BTDC
250
6° BTDC
For altitude operation al')d/or to obtain optimum
engine performance and fuel economy, the initial
timing may be advanced 3° over the
'normal'
setting
to a maximum
initial
advance of 9°
NO FURTHER ADVANCE IS PERMISSIBLE
Manual shift and Automatic transmission
302 and 351
6° BTDC
For altitude
operation and/or
to obtain optimum
engine performance and fuel
economy,
the
initial
timing may be advanced 5o over
the 'normal'
setting
to a maximum
initial
advance of 11°. NO FURTHER
ADVANCE
IS
PERMISSIBLE.
01 L CAPACITY
200 and 250 Six
302 and ::l51
(V-8)
*Includes 1.7 pints for
filter.
IMP.
PINTS
7.70* pints
8.0* pints
OIL PRESSURE-Hot
@
2000 rpm
All Engines
40 lbs.
min.
CYLINDER HEAD
GASKET SURFACE FLATNESS
200 and
250
302 and 351
VALVE GUIDE BORE
Intake and Exhaust
200 and 250
302 and 351
VALVE SEAT WIDTH
Intake and Exhaust
200 and 250
302 and 351
VALVE SEAT ANGLE
200 and 250
302 and 351
0.003 inch
in
any 6 inches
or 0.007 inch overall
0.003 inch in any 6 inches
or 0.006 inch overall
DIAMETER-Standard
0.3433-D.3443
0.070-0.090
0.060-0.080
Intake 30°
Exhaust 45°
Intake and Exhaust 45°
VALVE SEAT RUNOUT
Maximum All Engines
0.0015
COMBUSTION CHAMBER VOLUME-CC
200 and 250
56.5-58.5
302
56.38-59.38
351 2-V
=
76.76-79.76
351 4-V
=
64.6-67.6
DECK HEIGHT
0.000-0.025
VALVE MECHANISM
VALVE CLEARANCE-Lifter Collapsed
200 and 250
0.066-0.166
302
}
351 2-V
.150
±
.050
VALVE MECHANISM (Continued)
351 4-V
.150 ±
.050
VALVE STEM DIAMETER
Standard
INTAKE
200 and 250
302 and 351
0.3416-0.3423
EXHAUST
200 and 250
302 and 351
0.3411-0.3418
0.003 Oversize
INTAKE
200 and 250
302 and 351
0.3446-0.3453
EXHAUST
200 and 250
302 and 351
0.3441-0.3448
0.015 Oversize
INTAKE
200 and 2.50
302 and 351
0.3566-0.3573
EXHAUST
200 and
250
302 and 351
0.3561-0.3568
0.030 Oversize
INTAKE
200 and 250
302 and 351
0.3716-0.3723
EXHAUST
200 and 250
302 anc.i 351
0.3711-0.3718
VALVE FACE ANGLE
INTAKE
6 Cyl.
29°
8 Cyl.
44°
EXHAUST-All Engines
44°
VALVE STEM TO VALVE GUIDE CLEARANCE
INTAKE
200 and 250
302 and 351
0.001 0-0.0027-Wear
Limit
0.0045
EXHAUST
200 and 250
302 and 351
0.0020-0.0032-Wear
Limit 0.0045
VALVE HEAD DIAMETER
INTAKE
200 and 250
1.642-1.657
302
}
351 2-V
2.032-2.050
EXHAUST
200 and 250
1.381-1.396
302
}
351 2 _V
1.650-1 .660
351 4-V EX
1.705-1 .715
351 4-V IN.
2.183-2.198
VALVE FACE RUNOUT
Intake and Exhaust
200 and 250
0.0015
302 and 351
0.0020
VALVE SPRING FREE LENGTH-Approximate
200 and 250
1.79
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