JamesRZ Posted April 15, 2007 Share Posted April 15, 2007 I have been having problems with my spark plugs for a while now i am running 1.2 bar with bpu. When i first went BPU i used IK22 plugs but after a week developed a misfire took them out and they were scorched on the porcelain and i could feel a lot of movement in the whole plug. I replaced them with IK24's and were fine for about 3 weeks or 600 miles when i got a slight misfire on tick over and load. Then to make matters worse the 2nd turbo blew which i replaced with standard j-specs. Got it back on the road last monday and the misfire got much worse and the exhaust popped when i had my foot down. Last night noticed that there was a high pitched noise coming from the engine so took the plugs out and the 24's have gone even worse than the 22's did. I have done a search and found that 24's are best for bpu but dont want to waste another 40 quid! Link to comment Share on other sites More sharing options...
absz Posted April 15, 2007 Share Posted April 15, 2007 if your running lean its possible to damage the plugs on high boost, just a thought. any pics of the plugs ? Link to comment Share on other sites More sharing options...
Steve Posted April 15, 2007 Share Posted April 15, 2007 Why dont you use the NGK Plugs they are only £12 for all 6. BKR7E and gap them to 0.9mm - 0.8mm Link to comment Share on other sites More sharing options...
JamesRZ Posted April 15, 2007 Author Share Posted April 15, 2007 I was thinking of trying NGK and i will try to get a picture up tomorrow. Link to comment Share on other sites More sharing options...
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