no matter how i drive, with RON95, my b16a (b16b head) still can achieve 300++km my full tank is Rm60-70 heres my modification i roughly wrote out. i dont know bout the cams but its a b16b head. 3 inch piping 4-2-1 extractor. e-manage racing thorttle body walbro fuel pump 15 inch rims racing clutch 3 kaki. 170 HP my car is manual so this is consider normal FC for this kind of mod or already ridiculous? if i wan a normal FC back, i need to change massive of part, but which 1? if i change back to normal, horsepower will drop alot? wad is the standard hp for b16a? to change back to normal, will it cost me 5k above?