will iridium spark plugs work well on our trucks? has any one used them ?
R rey248 rey Sep 14, 2009 #1 will iridium spark plugs work well on our trucks? has any one used them ?
R rey248 rey Sep 14, 2009 #3 Re: tune up GM TURBO said: Yes. Yes. Click to expand... any diffrence ? are they better as far as performance?
Re: tune up GM TURBO said: Yes. Yes. Click to expand... any diffrence ? are they better as far as performance?
NecroWolf lost marbles member Sep 14, 2009 #5 Re: tune up have to last a lot longer for the price difference on the ones i've seen
