Quote:
Originally Posted by jonathon kelly
Anyone using lower gaps on tuned cars.?
had a problem with a misfire for a while now, only seems to be there from 4000 rpm in 3rd into 4th onwards.
annoying is an understatement, car has been fine but since fitting down pipes and a remap its there all the time.
changed the spark plugs out last month for the oem plugs from BMW still not sorted it.
changing the coil packs today and looking for info on the correct gap for the plugs if anyone has done so?
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I have the JB4+BCM+Meth and running 0.020 gap on NGK SILZKBR8D8S Iridium Spark Plug 97506....I did it with a feeler guage for precision......I believe any tuned car should do this to avoid misfires