need help about spark plug

[Nieto]

if wallet gemuk lagi, change car!

erm, tat wallet sure terlalu gemuk if wan change car... shud b bank sesak of $$

 

[tuckz]

i am driving a wira 1.5 efi auto, its a 4g15 engine
i am using Bosch super 4
i tried a 100meter sprint with my frens wira with same specs
but he is using normal plugs
his pick up was indeed faster
why is it so?

I changed to open pod air filter, while he uses ori wans
mine is 2001 while his is 2000
Should i change back to ori filter?

I tot of changing either to iridium or nology spark plugs
what other plugs better den bosch super 4 is recommended?