Engine Rebuild: Part three - February 2019.
It's all about the correct balance...
It's been a long, long time since my last report, one would have expected by now the engine was back in the car and running. Well it was but now it's out again.
To put it simply it appears the crankshaft balance is not correct. When I started the engine I got a buzz type vibration through the whole car at any rev range. We double checked the valve and ignition timing, disconnected the fan belt, loosened the engine mounts, tightened the engine mounts, disconnected the rear gearbox mount, depressed the clutch, nothing made any difference.
The crank had had two weights added, see photo, I even tried removing them, again no difference.
The latest now is the crankshaft has gone off to a different balancing company. When it come back and the engine is back up and running I'll post a full description of what was what!