OK so it’s been a while and I do apologise to those waiting for the conclusion of this. So did I get to the bottom of this? Was it the timing? Sometimes you feel you need to give up, did I? Yes, yes and obviously No. I did eventually get to the bottom of this, I have finally gotten over the stress and sleepless nights this caused me after stripping and checking. So to conclude, was it the timing? It had to be it couldn’t be anything else, but how? It was the cam box. The piston had hit the valves and instead of damaging the valves it spun the cams on the hollow cam shaft. This is why it seemed to time up but it didn’t. Simply replaced the stupidly expensive cam box with cams as these don’t separate. After replacement. It ran like a dream. Finally no more messing with this. And a happy and unhappy customer with a huge bill.
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