Quote Originally Posted by simontibbett View Post
Check the header for a leak, if there is a tiny crack in the header, especially around the runners, it will sound just like a ticking or even a knocking motor. The crack will worsen and you will swear the motor is about to explode.
i forgot to mention there is no o2 in it right now, couldnt get the old one out but the header came with a plug for the o2 so i installed it for now, could this cause a tick at all?