Pontiac firebird 1968 - Page 11

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1968 PONTIAC SERVICE MANUAL
WEIGHTS AND MEASURES
LINEAR MEASURE
1/12 foot (ft.) 1 inch (in.)
12 inches . 1 foot
3 feet 1 yard (1 yd.)
AREA MEASURE
1/144 square foot (sq. ft.). 1 square inch (sq. in.)
144 square inches ........ 1 square foot
9 square feet 1 square yard (sq. yd.)
LIQUID MEASURE
1/16 pint (pt.) 1 ounce (oz.)
1 pint 16 ounces
2 pints. ........ 1 quart (qt.) 32 ounces
4 quarts 1 gallon (gal.)
31-1/2 gallons 1 barrel (bbl.)
DRY MEASURE
1/2 quart (qt.) 1 pint (pt.)
2 pints 1 quart (qt.)
8 quarts 1 peck (pk.)
4 pecks 1 bushel (bu.)
105 quarts 1 barrel
CUBIC MEASURE
1,728 cubic inches 1 cubic foot
27 cubic feet ........... 1 cubic yard
COMMON WEIGHT
16 ounces 1 pound
100 pounds 1 hundred weight (cwt.)
2000 pounds 1 ton
COMMON U.S.A. EQUIVALENTS
LENGTH
1 inch 25.4001 millimeters
1 millimeter 0.03937 inches
1 foot . 0.304801 meters
1 meter 3.28083 feet
1 yard 0.914402 meters
1 meter 1.093611 yards
1 mile 1.609347 kilometers
1 kilometer 0.621370 miles
LIQUID CAPACITY
1 quart 0.94633 liters
1 liter 1.05671 quarts
1 gallon 3.78533 liters
1 liter 0.26418 gallons
DRY CAPACITY
1 quart 1.1012 liters
1 liter 0.9081 quarts
1 peck 3.071 liters
1 liter 32562 pecks
LUBRICATION
ITEMS REQUIRING LUBRICATION OR SERVICE AT 4 MONTHS OR
6,000-MILE INTERVALS, WHICHEVER OCCURS FIRST
Engine Oil . . . Change
Atmospheric
Temperatures
Expected
Recommended
SAE Viscosity
Number
Alternate
Above Freezing
(32 °F. and above)
20W 10W-30
Below Freezing
(0°to 32°F.)
low 10W-30
Below Zero 5W
5W-20
NOTE: All engines are equipped with specially
engineered pistons rings, These rings allow oil to
flow freely on the cylinder walls during break-in
period. Therefore, oil consumption may be higher
during break-in period than it will be afterward.
Oil which according to the label on can is intended
for service MS and conforms to GM Standard 6041M
should be used.