Bro, seriously how many bottle do I need to FULLY clean up the carbon in combustion chamber for car mileage over 15xxxx km? Coz I dont think 1 bottle is enough.
I've noticed on overseas Skyline forums that once most Skylines cross a certain level of power, seems to be around 600-700hp, they tend to have fire extinguishers in their cars. I'm curious as to what could possibly...