ac delco rapid fires and nitrous?

[Dangerous95lt1]

can i use these for a 75 or 100 shot with no problems or do i really need to change them

[Joker Z28]

I would use the NGK TR6 for a 75 or 100 shot

[Dangerous95lt1]

can any damage be done from using my delcos ?

[faust]

i perfer ac/delco r42lts which are 1 step colder as is autolite 103

[b94z28]

i have ran tr6's with 100 shot and had no prob .................. i trashed factory delco's in one run on 100 shot
i would have to say change just my opion