Gary S said:If I remember correctly, the radiator overflow jugs were not used yet in 1972. I think they came into use around 73. You can adapt any of the later Second Gen jugs to your car.
MadMike said:YearOne part # 8609N - for a 1973 - 77 Camaro.
1973 is the 1st year for the radiator overflow. Prior to 1973 it was A-OK to puke anti-freeze on the ground.