Quote Originally Posted by IndoStyler View Post
just so u know...i found in my engine, that having oem leads and ngk plugs dont really suit....my engine started choaking coz my oem leads were too thin for the plugs....so i had to get thicker leads to suit the plugs i'm running....so if u got oem plugs go oem leads....if u go aftermarket, get ngk...those leads only cost me 80 bucks....retails for around 110 i think
That's because if your ngks were iridium, those need higher voltage than the old ignition coils can provide. That's also why older cars have copper or platinum plugs instead of iridium.