ok my z is running rich i no this bcuz i ran new plugs in it for about 15 miles and it fouled them. it is super charged with a stage 3 stillen's supercharger. but it was fine till like 4 days ago and the supercharger has been on for months. and ideas

 

pittsburg, ks?
you bought that blue one?

im the black one that you met at broadway on wed night

sorry cant help you, but you can contact the ex-owner
but i want to check your car man!