97Gt with the following, motorsport bullit intake, 150 dry shot, 410 gears, 24lbs injectors, pro M maf meter, off road h pipe with 3" delta force race mufflers with dumps, msd dis 4, timing adjuster, the car has run a best of 12.2 and is killing spark plugs even with race gas, we were thinkng a custom chip would solve the problem and put us in the 11`s? we have run colder plugs and race gaqs and still killing plugs any suggestions cause a custom chip isnt cheap!!! also anyone with a 96-98 GT running nitrous what plugs are you running and part number we wanna make sure the parts store gave us the proper plugs...2 heat ranges colder