How much refrigerant used to recharge the AC system in a Honda Civic depends on how much the system needs. There will be a gauge on the refill bottle which is tell the user how much is needed in that one application.
about 130ish....
not sure about the 2002LX, but a stock 96EX civic has 127HP
'EX' is the trim package that your Civic came with from the factory.
125 horsepower
4.2 quarts.
127 HP
approx. 3.3 L.
127@6300
127@6300
127 hp
125Hp@6600RPM
the main difference is the front fenders and bumper, the rest is pretty much the same