OFFICIAL FACTORY ENGINE SPECIFICATION - The Law!!

CYLINDER COMPRESSION*
From AUG 1967: 114 - 142 PSI New, Not Less Than 100 PSI w/wear
From AUG 1971: 107 - 135 PSI New, Not less than 85 PSI w/wear
*Maximum difference between cylinders = 28 PSI

IDLE SPEED
Carburetor Engines
Manual Trans.: 850 RPM +/- 50
Autostick Trans.: 950 RPM +/- 50
Fuel Injected
Manual Trans.: 800 - 950 RPM
Autostick Trans: 850 - 1000 RPM

IGNITION POINT GAP
.016 - .020"

OIL PRESSURE
SAE 30 Oil @ 158�F @ 2500 RPM
Minimum ► 28 PSI
Normal ► 40 PSI

OIL PRESSURE SWITCH (SENDING UNIT)
Should open, or turn off OIL light, between 2.1 - 6.4 PSI

OPERATING TEMPERATURE
Cooling Interpreted: Thermostat opens @ 149 - 158�F

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