ali37 Posted December 30, 2007 Posted December 30, 2007 Looking at replacing my spark plugs. Any reccomendations - MY05 Sti Cheers, Ali.
jac Posted December 30, 2007 Posted December 30, 2007 (edited) What mod's have you got and what power Standerd plugs are ok for up to 320bhp NGK PFR 7B for up to 400bhp NGK racing 8 spark plugs for above 400bhp Jac Edited December 30, 2007 by JAC
mikeyb13 Posted December 30, 2007 Posted December 30, 2007 What mod's have you got and what powerStanderd plugs are ok for up to 320bhp NGK PFR 7B for up to 400bhp NGK racing 8 spark plugs for above 400bhp Jac My Type-r is around the 300bhp mark would upgrading to the ngk plugs actually make any difference.
ali37 Posted December 30, 2007 Author Posted December 30, 2007 Currently got about 350bhp also Iridium or platinum?
jac Posted December 30, 2007 Posted December 30, 2007 My Type-r is around the 300bhp mark would upgrading to the ngk plugs actually make any difference. If your plugs are due to be changed then yes up grade to NGK PFR 7B It's more for safety than performance as the 7's are less likely to melt.
jac Posted December 30, 2007 Posted December 30, 2007 Currently got about 350bhpalso Iridium or platinum? Platinum
karps Posted December 30, 2007 Posted December 30, 2007 really jac? i was tought in work that iridium ones are better and have a better lifespan too chrissy
jac Posted December 30, 2007 Posted December 30, 2007 really jac? i was tought in work that iridium ones are better and have a better lifespan toochrissy Hi Chrissy You would prob know better than me, but have a look at this... http://bbs.scoobynet.com/general-technical...html?showfull=1 Jac
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