wich plugs??

[v8etr]

I have a turbo regal with champion aluminum heads and a large turbo with 55 lb injectors and don't know which spark plugs to use.
Thanks

 

[Quick6'n'-K.C.]

i dont know exactly what plugs you need, but make sure to use some antiseize on the threads of the plugs-

aluminum and steel dont mix well, so if your heads are aluminum, be sure to dab a little antiseize there so the plugs will come out, and the threads dont

BW

 

[smokin'6]

I believe I have AC Delco CR43TS
the 'c' is for commerical and its a heavy duty plug
go to gnttype.org for info on recommended plugs