Piecing together an A/C system

Actually you MAY NOT want "the largest condenser" you can get.

There is, basically 3 types of control devices feeding the evap. Orifice, capillary tube, and TXV (Thermal Expansion Valve) Only a TXV will give you control of the system to the point that you can truely use an oversize condenser, ESPECIALLY when you are/ probably are using mismatched components.

An orifice/ cap tube control can allow over feeding the Evap under some conditions, such as when the interior has cooled down, AKA the load is less. By the same measure, a too large/ too small condenser can cause similar problems, IE cooling the refrigerant so much that it "floods" the suction side, or won't hold high enough head pressure to properly operate

If components are "far enough" off sized from each other, and or if the system is charged a bit on the tall side, you can end up with liquid returning to the compressor. There are lots of variables--the OD weather AKA temp and humidity, the ID temp and humidity (the load), the sizing of all three major components, compressor, evap, and condenser, and as mentioned, the control

Having/ not having a suction accumulator and or receiver also has an effect

In my opinion, you would be better off picking a donor setup you think you can adapt, and use those major components. You may be able to cross reference an original compressor to what you have to get some idea of it's capacity.