actually if we use the 4300k or 5000k which bring yellow color i think is ok. Cause i use that color block jpj also they let me go mah. But if u use those 6000k white color one then i dun dare to say. Depends ur luck and how hungry they are.
my mechanic suggested to me to 'double coiled' my spark plugs. he said it would increase the spark - better combustion and reduce fuel consumption. I've seen the installation, is not that tricky except that you...