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Hello,
The evaporator must removed from the housing and the tubes must be cut to remove the flares and new ends must be welded on and then pressure tested for leaks.
Any good radiator shop can do the modification.
I do not have part numbers for the compressor, condensor, receiver drier, or the expansion valve.
To begin with, I would need to know what type of refrigerant you are going to use, R12 or R134, as the compressor and expansion valve are dependent on your choice.
I can tell you that the compressor is a rotary, or axial style compressor and usually an 8 cubic inch Sanden or Sanden style compressor.
When I do a custom A/C install on a car, I prefer to let my A/C shop have a custom built MODERN condensor made so that the largest one can be used for the best cooling capacity. The additional cost is usually less than $30.00. I also let my A/C shop supply and install the electric fan(s). I usually have an electronic fan control already installed and the wires marked for the A/C shop.
I do not understand your description of the hole locations in your firewall. Can you take a picture of the holes?
When I can convince the customers to do so, I have my A/C shop use bulkhead fittings to act as a pass through the firewall. The individual bulkhead fittings require a much smaller hole to be drilled, but the cost is significantly higher for the bulkhead fittings and extra hose fittings. I think it is worth it for the cleaner look.
I also like to have both A/C lines running down the passanger side of the car as the tendancy of most installs is to run the 2 A/C hoses to the evaporator and the receiver drier on the drivers side and this impedes free access to the spark plugs, distributor, starter and steering column.
Running the A/C lines on the passanger side also requires the use of a custom built condensor.
I can not stress how important it is to make a good relationship with the A/C shop that is going to do the work and let them sell you some of the parts that you are going to need.
Good luck,
--
Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90501
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