orlando Posted August 17, 2006 Report Share Posted August 17, 2006 Hey guys ,GM has change my spark plugs on me and I'm wondering why? My old gap was .60 and now they went to a hotter plug with a smaller gap .40 . Why for the change and what effect on performance would this have? Quote Link to comment Share on other sites More sharing options...
orlando Posted August 18, 2006 Author Report Share Posted August 18, 2006 Hey guys ,GM has change my spark plugs on me and I'm wondering why? My old gap was .60 and now they went to a hotter plug with a smaller gap .40 . Why for the change and what effect on performance would this have? <{POST_SNAPBACK}> Come on guys,somebody knows? Quote Link to comment Share on other sites More sharing options...
orlando Posted August 19, 2006 Author Report Share Posted August 19, 2006 Hey guys ,GM has change my spark plugs on me and I'm wondering why? My old gap was .60 and now they went to a hotter plug with a smaller gap .40 . Why for the change and what effect on performance would this have? <{POST_SNAPBACK}> Come on guys,somebody knows? <{POST_SNAPBACK}> Zippy can you help me on this? Quote Link to comment Share on other sites More sharing options...
BenKey Posted August 22, 2006 Report Share Posted August 22, 2006 It would help to know yr/make of what vehicle you are referring to. Quote Link to comment Share on other sites More sharing options...
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