Realized that we have never really set aside a thread to collect details and parts that make up the 66 Thermactor systems installed for cars intended for California in that year. Some of the parts exchange with 67 but we have to start with. Will likely start one over in the 67 area since not all details are the same.
Just posted these in another post on another site so sharing them here also
The unused port is not drilled out - casting still there. Rear plate needs to be cleaned, painted and machined surfaces returned then oiled
Look at the front of the pump
Look at the date codes - casting and assembly In this case this was made for an early 1966 289