SunlitComet
OBS Jedi-Do Good
ther is nothing wrong with using autolites on a tbi or vortec and i run copper cores in a vortec as well. platinum is not really there becuase of higher burn or coil output necessarily.as thus is a 94 with a tbi no auto light please. AC Delco is the way to go. Just get regular plugs you have to ask for them. Or they will give you platinum ones. Only vortec motors should should run any thing that should run platinum plugs as it has a higher burn and higher coil out put. So here is my input put in ac Delco and see what it does and there a lot cheeper.