Khiem wrote: >On my turbo, I tried out a set of the copper plugs, and they lasted at whole >500 miles before I started misfiring (gapped down to .027). I'll stick to >platinum. Wierd... I run NGK copper plugs gapped at .25 with no problems. Are you running a range colder plug too? -Julian '92 NX turbo & '92 SE-R