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brad

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Posts posted by brad

  1. You have to take the front vent panel off first. There should be four screws one at each corner. The bottom two may be shared by the lower console plate, or even hidden under them. Once that is off, the stainless trim on the side of the console can be accessed from inside the side pieces. They should be 3/8" nuts. One near the top, and one near the angle joiner piece. Once that is off, then feel through the carpet and there will be about 5 phillips screws around the perimeter . Once the side panels are off, the whole evaporator needs to be removed. Many people make this easier by slicing the verticle leg of the right console upright so it can be removed. Then there are the electrical connections, and also there are of course the brackets to the dash cross brace. There should be angle brackets on the evaporator case that also have some screws into the floor under the unit. Don't forget the hose drain tube. (remove it) then you can pull the unit to the passenger side foot well. You can further access the evaporator case, and motor from there.

     

  2. Sure, I have made a few sealed carburetor from  non-sealed ones. There won't be the milled air passage to balance throttle shaft sealing. But that is only important if there is lots of wear. I always brass bush the shafts anyways. The vents can be drilled and tapped for set screws easily, and it has no adverse effects.The accelerator pump seal can be used from an Edelbrock marine carburetor. The idle screws can be partially drilled to fit an "O" ring , and a washer under the spring to compress it.

  3. I did mention a point where I would start.... It doesn't matter what compressor you are running. The point is to compress the refrigerant so it expands through an orfice, and becomes cooler. You know how much by reading gauges. It wasn't invented by people guessing, and should not be serviced by guessing.

  4. The bi-metal hot idle compensator valve often gets bent, and remains open. If you look at it out of the carburetor, it should have an offset bend so the valve is closed when cold.  If it is flattened, it will open too soon and will act like a vacuum leak. It's purpose is only to function when the carb is so hot that it puts off enough fumes to prevent an over rich mixture. Gas fumes do cause the mixture to change.

  5. The script for the metal cars is different from the Avanti. The originals came out in 1956 and had rectangular mounting pins, and special barrel nuts that no other company supplied. Avant scripts have round mounting pins. I have seen flat spring steel push nuts on the pins, and also some with acorn tinerman nuts.

  6. The top jamb nut and screw have NO correlation to throttle pressure. That is crazy controlled by the overall length of the pressure rod to the transmission lever. That is adjusted by a threaded clevis from under the car. The lever should connect inboard of where the foot linkage hooks up to the main linkage. The correct way to adjust it is to remove a pressure port plug on the transmission, and put a gauge to read the pressure. It should be 75 lbs at fast idle in gear. Adjust the length of the rod until it is in spec. Nothing else is correct, and it is just guessing.

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