@ the jas: his cylinder had a nos sticker on it, put a nos sticker on ur mehran's cylinder and it will do more than 350mph guaranteed. if it does not change ur spark plugs
i have my own question, i'm in need of urgent help:
42. how can i optimize my khyber's performance so that it can break the sound barrier?
i have tried using high octane fuel but i was just a bit sort by around 950 kmph. please help!