b20 nitrous help

i hav a b20z in a 87 crx runnin obd0, ls intake mani, bm fpr, b16 injectors, stock ls ecu. ford f150 fuel pump. motor runs perfect no leaks. i jus got a wet nos kit with a 80 shot. b4 i put it on i wana mak sur i hav a safe setup. wat should i do to my motor b4 the install. im not sur on wat spark plugs i need an how they should b gapd. should i use a full throttl swich. i need this b20 to last please help.