Does anyone know what goes in this spot on the firewall?
They were playing around with the emission systems these years. I think 73 was the only year they installed the osac valve in that location and later moved it to the air cleaner.
Here is a pic of a 73 Swinger with the holes and a 74 without the holes.
They were playing around with the emission systems these years. I think 73 was the only year they installed the osac valve in that location and later moved it to the air cleaner.
Here is a pic of a 73 Swinger with the holes and a 74 without the holes.
