OldSkoolGP Posted October 10, 2005 Report Share Posted October 10, 2005 In my Lumina's 3100 I used those new AC Delco Iridium plugs, and they rock. Mileage went up as soon as I put them in and it stayed up. If you go to Advance Autoparts or Krager or whatever they call it out y you, they can look it up. They're $5 a plug, but it's worth it. Quote Link to comment Share on other sites More sharing options...
19Cutlass94 Posted October 10, 2005 Report Share Posted October 10, 2005 I need some new plugs soon, I was juts going to go with the regular Delco plugs, but if you guys say those rapidfire 8's are as good as they are, I think I might have to pick them up, and try them out. Quote Link to comment Share on other sites More sharing options...
OldSkoolGP Posted October 10, 2005 Report Share Posted October 10, 2005 Rapidfire 8's are awesome in a 3.4, but out here they're getting harder to come by. I have 6 brand new ones in box that I haven't used yet. If you get some, be sure to get the platiunum ones, they're even better than standard 8s. Quote Link to comment Share on other sites More sharing options...
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