HxC_zombie6 Posted July 24, 2008 Report Share Posted July 24, 2008 Ok so I'm seeing more and more of the pulstar plugs in tuner mags and what not and it says gain HP and gas milage does any one use these on there quest and d u feel much diffrence ? Link to comment Share on other sites More sharing options...
Indiana Posted July 25, 2008 Report Share Posted July 25, 2008 tried them in a neon srt4 and the two plugs cracked they send another set for free and they cracked too I don't think they like the heat and for over 100.00 a set you'd think they wouldn't CRACK, they cracked at the top or in the middle and even down at the exposed tip Link to comment Share on other sites More sharing options...
Dcrasta Posted August 1, 2008 Report Share Posted August 1, 2008 Best plugs for these cars. 1: NGK -R 2: Champions 1 range colder. Change often Link to comment Share on other sites More sharing options...
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