Thanks spanner juggler - its reassuring to me that someone fully understands my poor description of the king pin checking problem.
If and when I find a solution be assured I shall post the info here
Regards and again thanks to one and all for interest shown
Ray
ps - just took car for MOT: not to a Mog garage but a 'regular car' company who look after my other family cars(don't want to say who for obvious reasons - read on...) Rear indicator was not earth properly and was shorting through the rear fog lamp; when tester entered results into DOT test page on web, the hand brake was below acceptable reading; the tester 'juggled' the readings from hand brake test results so got a pass; as to indicator problem, he issued me with a failed notice and immediately issued me with a pass notice, knowing full well I would rectify problem once I got home. These 'old time' mechanics are few and far between and worth their weight in gold to true enthusiast like us Mog owners. Long may they last.