Duffman Posted October 14, 2008 Share Posted October 14, 2008 Considering going BPU and i'm aware you need colder grade spark plugs Guy before me got Iridiums fitted at last service approx 4000 miles ago...was told that these only lasted 3000miles??? I thot they lasted alot longer than that...is this correct? Quote Link to comment Share on other sites More sharing options...
supratoy Posted October 14, 2008 Share Posted October 14, 2008 Considering going BPU and i'm aware you need colder grade spark plugs Guy before me got Iridiums fitted at last service approx 4000 miles ago...was told that these only lasted 3000miles??? I thot they lasted alot longer than that...is this correct? I think they are ment to last 3times that or more. I changed my last one in my old car every 9k Quote Link to comment Share on other sites More sharing options...
Duffman Posted October 14, 2008 Author Share Posted October 14, 2008 I think they are ment to last 3times that or more. I changed my last one in my old car every 9k thats what i thought just wanted to clear that up Quote Link to comment Share on other sites More sharing options...
TTRickeh Posted October 14, 2008 Share Posted October 14, 2008 I thought they were meant to last around 30,000 miles Quote Link to comment Share on other sites More sharing options...
DamanC Posted October 14, 2008 Share Posted October 14, 2008 I thought they were meant to last around 30,000 miles Mine never have thou. Quote Link to comment Share on other sites More sharing options...
AlanM Posted October 14, 2008 Share Posted October 14, 2008 Mine are close to 30k, have had a spare set sitting waiting for a couple of years now Quote Link to comment Share on other sites More sharing options...
Alex Posted October 14, 2008 Share Posted October 14, 2008 Coppers = 3-9k Iridium = 20-30k. Quote Link to comment Share on other sites More sharing options...
Duffman Posted October 14, 2008 Author Share Posted October 14, 2008 Coppers = 3-9k Iridium = 20-30k. cheers Quote Link to comment Share on other sites More sharing options...
little num Posted October 14, 2008 Share Posted October 14, 2008 i have a uk manual and running 1.3 - 1.5 most days in use, i have NGK 7's coppers fitted and i have also done a trackday on these and no problems at all, i would rather change them every 5 thou anyways to make sure. the full set from my local car spares was about £10 so was happy with that. Quote Link to comment Share on other sites More sharing options...
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