Wow, didnt know that. That makes a whole lot of sense. So the idle affects the smoothness of the run then and the timing affects the combustion...interesting...
Good news about the tracking ends though, means that robbiemates is so far so good

if it happens then this will be the first essex meet me and puk have ever got to!
One other question...how do i stop the nuts on the outlet manifold to the exhaust working loos all the time?