nology hotwires+profire ignition coil+crappy plugs=car has no power before 4000rpm [Archive] - Toyota MR2 Message Board

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Ok, while doing a tune up, I changed everything but my nology hotwires. I purchased the cheap ngk copper plugs from autozone. After the tune up my car goes no where until I hit 4000rpms and then it pulls great. I originally had Nology silver plugs and swapped them for the ngks. Are hotwires designed to work with low grade copper plugs? Or do I need to go ahead and purchased some better plugs for the hotwires?