Phoenix05VHO Posted July 6, 2006 Report Share Posted July 6, 2006 Could anyone tell me what they would recommend for plugs for 05 VHO? Heard that Bosch Platinum Series create problems w/ high performance engines. Quote Link to comment Share on other sites More sharing options...
SuperSport Posted July 6, 2006 Report Share Posted July 6, 2006 It seems to me that platinum plugs don't seem to work as good in larger bore motors. Iridium plugs by denso or NGK work well with the bigger motors. Quote Link to comment Share on other sites More sharing options...
GotBoost Posted July 7, 2006 Report Share Posted July 7, 2006 Platinum plugs seems to stay hot longer and causing Detonating. Those NGK's should work very well for just about anything you're running or going to be running. Just make sure to pic the right one for your apt. Quote Link to comment Share on other sites More sharing options...
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