robinsoncc
Full Member
- Joined
- Mar 31, 2007
- Messages
- 195
My 1975 Bronco with a 351W failed the equipment check for the air system. It passed with flying colors on the emission testing parts. Fist they failed me on the evap system after I showed them where the system was they passed me. Next he said the air system was plumbed wrong. He tried to tell me that the inlet of the air pump was suppose to be piped to the cats. I was bewildered by this. I asked him if he knew how the catalytic system worked. Does anyone have the pictures of an installed 1975 emission air system?










