[drh4683]

thats a nice zenith! Yes, you are correct my 67 is a 14Y33. I bought the UHF kit on ebay last year for $1.00 NIB! It came with the complete installation instructions. IT is the DK-152 uhf tuner kit. It was for models: 64-A-02 MV, 64-A-03 MV. Mine is the 03. If you need copies of the instructions, I will scan them to you. There is some wiring changes that need to be made (B+ lines AGC from vhf tuner etc) The neat thing about the DK-152 is that it uses the 3AF4 oscillator. Its the only tv I have with the tube type UHF. According to the manual, the newer production types used the nuvistor oscillator. It does not mention that the 6GX6 needs to be changed out though.
The 63 white rca works well. If you are interested, make me an offer. I have two other tvs as well you might be interested in. First one pictured is a 1960 emerson VHF only, gold metal case, plastic front and back. Needs a good cleanup but works ok. This one has the 5U4 rectifier and a sleep timer on off switch that works!! Some scuffing on the front plastic crt lens. Otherwise its pretty nice