Well no luck with the coils but I have some leads now. Will post a vid of the idle as soon as my phone has more juice. Anyways idle sits about 700rpm unless you move the steering wheel left to right abit then it picks up to 900 and feels smoother. Replaced some vacuum lines and found it was all abit oily . Turns out what I think is the vacuum pump is leaking oil. The pump runs off the cam and I gather the seal has gone letting oil through and causing an air leak.
Did you get any joy sorting this issue I have the same problem and still scratching my head with it?Cheers ken goin to give the tb a clean tomorrow and see if it helps.