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General Motors: Notes

COOLING SYSTEM CAPACITIES

Application Approximate Capacity(1)
Standard System Manual Transmission Heavy Duty Radiator With Air Conditioning
4.1 L (250")      
  C & K10 15 15 15.5
  C20 15 15 15.5
  G10/30 17 17 17
4.8L (292")      
  C20 15 15 15.5
  C & K30 14 14 15
  P10/30 13.5 13.5 .....
5.0L (305")      
  C & K10 17.5 17.5 17.5
  G10 19 19 20
5.7L (350")      
  C & K10/30 17.5 18 18
  P20 16.5 17 .....
  G10/30 ..... 20 20
6.5 L (400")      
  K20 18 19 20
  G20 20 20 20
  G30 21 21 21
7.4L (454")      
  C20/30 23 23 24
  P30 24.5 24.5 24.5
(1) Add.5 qt. for automatic transmission.
PRESSURE CAP

Application psi;
All Models 15
THERMOSTAT

Application (1) Rating °F
All 195
(1) Thermostat should be full open at 25°F above stamped rating and fully closed at 10°F below stamped rating.