sosolid Posted November 18, 2016 Share Posted November 18, 2016 So apart from the fact copper plugs are better at conducting heat and electricity and being waaay cheaper. What performance benfits do iridum plugs give? Yes they last longer and are waaaay more expensive but is it worth the extra price? Quote Link to post Share on other sites
epcashin Posted November 18, 2016 Share Posted November 18, 2016 BCR8ES NGK ones heat range 8 best job and about 20 for the 4 Quote Link to post Share on other sites
sosolid Posted November 18, 2016 Author Share Posted November 18, 2016 Did you gap them? Quote Link to post Share on other sites
StuDoc 72 Posted November 18, 2016 Share Posted November 18, 2016 Standard spark plugs should be considerably less than £20 for 4. Quote Link to post Share on other sites
epcashin Posted November 18, 2016 Share Posted November 18, 2016 Did you gap them? gap them slightly by eye and there fine shouldn't really need a gap Quote Link to post Share on other sites
5e colin Posted November 18, 2016 Share Posted November 18, 2016 (edited) Coppers Al the way fuck the iridium and platinum. You aren't going to loose power by using coppers that's for sure Edited November 18, 2016 by 5e colin Quote Link to post Share on other sites
adzy Posted November 19, 2016 Share Posted November 19, 2016 Iridiums are fussy about fueling too. Don't like running rich Quote Link to post Share on other sites
SpikeyJp_68 Posted November 19, 2016 Share Posted November 19, 2016 Stick some copper plugs in it and change them every service around 3 - 5000 miles Quote Link to post Share on other sites
fiddlersport Posted November 19, 2016 Share Posted November 19, 2016 Copper...had iridiums and not running rightPut a set of coppers and runs nicerRecently replaced them after 3000.miles and tips were brown meaning they were not fouling and burning nice Quote Link to post Share on other sites
Phil Posted November 19, 2016 Share Posted November 19, 2016 Standard spark plugs should be considerably less than £20 for 4.100% right The Ngk part number above (brc8es or whatever) I think they are £2.50 eachHeat range 8 and given me no issues Phil Quote Link to post Share on other sites
glanzadude Posted November 20, 2016 Share Posted November 20, 2016 The copper plugs are fine just change every oil change Quote Link to post Share on other sites
5e colin Posted November 20, 2016 Share Posted November 20, 2016 My coppers lasted more then 20k think it's double that must check my thread again no needed change them every service Quote Link to post Share on other sites
sosolid Posted November 22, 2016 Author Share Posted November 22, 2016 Thanks for replies buys. Ill be putting heat range 7 in as its pushing close to 200bhp. Quote Link to post Share on other sites
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